If you haven’t been really running and testing these models yourself, they are all benchmaxxed. No matter how close they score to frontier on whatever metric, they always fall apart in real world tasks and their token efficiency is ridiculously bad. Fireworks has incredible incentive to make this claim in a headline, because Fireworks hosting K3 for you is pure profit for them, unlike when they host closed source models.
Having tested K3, Qwen 3.8 max preview, Fable and Sol for the past few days, I partially agree. Don’t trust the benchmarks, and the Chinese models really are slow and token-inefficient.
However they do seem very close to SOTA : I’d say roughly equal to previous gen (Opus 4.8, GPT 5.5). It’s yet another silly benchmark, but compare them here: https://senko.net/vibecode-bench/
I also had K3, Qwen3.8 and Fable (using Kimi Code, Qwen Code and Claude Code harnesses respectively, and the official APIs) create a simple but far from trivial web app (zero shot, from a detailed spec). In user testing all three results looked/behaved more or less the same. I had Sol (via codex) do code reviews on all three and it concluded all three were solid, with some room for improvement. Fable was slightly ahead of the pack.
In my own work I still prefer Opus 4.8 (until Antrophic come to their senses and allow 100% Fable usage on Max plans) and Sol, but if I had to find an alternative, I could live with both K3 and Qwen3.8 just fine.
Yeah, open weights hasn't fully caught up yet, but it's getting very close. And it's certainly passed the point of being reasonably interchangeable with the frontier for (programming) work. Add in the benefits of not being rug-pulled by the frontier labs silently messing with, the knobs on their models or outright denying you the ability to do certain kinds of work (c.f. the HuggingFace fiasco), and they probably come out ahead in several respects.
with all the hype around kimi i actually renewed my subscription (last time i tried it out was on 2.5 release) - just the 40€ one.
Its hard to compare that one to my regular sub of anthropic (107€), but everyone always says how much cheaper it is so i thought it was worth a try.
1.5 days later ive went through more then 50% of my weekly usage and decided to renew the regular anthropic sub too.
The API Pricing is definitely cheaper, but anthropics subscription budget seems to equalize that advantage right now. also kimi code feels like claude code from ... september 2025
also - considering how they announced they'd temporarily close subscriptions to make sure they can service customers... i was slightly surprised that there was no issue subscribing, less then 1 day after that announcement.
Makes you think if that was just a marketing stunt
I'd guess the slowness is mostly due to there currently being only one provider, Moonshot AI. And they are overwhelmed with demand.
Let's judge the speed of the model when its weights are released and every inference provider on the planet offers it, so demand can spread out a bit.
It's the same topic with token budget comparisons and subscription pricing - don't people understand that this doesn't really matter for open weights models? The pricing is going to be determined by the inference providers, and until they had a chance to evaluate the model on their infra and set token prices accordingly, one doesn't really have anything tangible to compare with other open models nor with closed ones.
The speed at which tokens are crunched, even on the same hardware, differs between models as well. Using more tokens is only a problem if they are processed at the same speed as with a comparison model.
Fable works very well for me on a moderately large codebase. I have had to correct it a few times or point it on the right track, but given how much faster it is at programming than I am that's a very minor issue (and most of these errors are because I underspecified what I wanted in the prompt, I can only think of two cases where it was genuinely wrong... that's a lot better than me in my professional career). Code quality is equal to what I would come up with (and better in areas I'm not familiar with) and the overall software engineering bar is higher because it doesn't get bored when I tell it to do refactors or write integration/regression tests that I would otherwise put off. Also makes it easy to audit code for things like missing audit logging or error notifications that a human would get bored doing.
The product is a fairly standard Ruby on Rails webapp with postgres as the DB. Application complexity is probably a bit higher than average for a webapp. So it's nothing that pushes the boundaries of software engineering, but it is a real product. Token budget has not been an issue for me. I pay for the Max plan ($200/month) and it is well worth it.
I've read the same opinions about Opus and yet it was gpt 5.5 pro via api tackling the hardest problems.
I have used now k3 for 3 days and it has consistently tackled difficult problems sol max could not (orientation optimization algorithms of random 2d shapes on a rectangle for glass cutting).
I have also other beefs with Anthropic models which have been getting smarter and more capable since 4.6, but increasingly worse at acting as assistants, they just want to "do" stuff their own way and ignore instructions often (even simple ones like not to commit, let alone complex ones).
Yes, they are all benchmaxxed, but the question is how benchmaxxed they are relative to each other.
We run an evaluation that only compares models in open-ended multi-agent environments where agents affect each other, primarily testing writing code. It's designed to be less vulnerable because there's no solution set, and it's been pretty effective and tends to rank Chinese models lower than their advertised model cards (relative to US models). Kimi K3 is a bit of an exception there -- it truly is a near-frontier model. But it's so slow. Ironically, Muse Spark 1.1 is one of the strongest models we've tested after Fable and Sol while also leading the cost efficiency curve. Big turnaround from Llama 4.
I encountered the same issue. Kimi 2.7 looked impressive on paper, but in practice, the code was so riddled with errors that I ended up using GPT-5.5 to fix it.
didn't read the article, but just the title felt fishy because of course an inference provider wouldn't mind claiming to provide access to a mythos-class model. So far, GLM 5.2 is still my go-to, even at less than a third the parameter count compared to Kimi K3
> Go turn on min_p once it's available post July 27th and most of the problems you describe will go away.
This seems both arrogantly dismissive ("you are holding it wrong") and incorrect.
Either the OP is using Kimi K3 on Moonshot where is is presumable set correctly (K3 isn't available elsewhere yet), or they are using Kimi K2.x and there has been plenty of time to experiment with this.
I've earned my right to be arrogantly dismissive since almost the entire field (including the Kimi and qwen team) doesn't know good sampling settings. This is because if you are truly "bitter lesson pilled" you don't think sampling is needed at all.
You can either not believe me and be wrong, or you can (after July 27th) turn on min_p or a better sampler (i.e. top-n-sigma if you got it running via llamacpp) and have it work even better. Up to you.
All you've said needs the qualifier - "for now!" Look at the trend line. It's clear that if they're not yet at the level of being "good enough" for coding, they will be soon. Sensationalist headlines aside, we all need to be preparing for a world where open models can do pretty much any software tasks you need them to.
I have been testing the various models, and I would not call Fable SOTA.
I can't actually get Fable to do anything. I only work on back-end code, and the moment Fable notices the jwt scope checks on the endpoints it's game over, it refuses to do anything because security is involved.
So for me, Fable is completely useless, the bar is very low, any llm that will actually attempt the task beats it every time.
These routers can be interesting on a company level to optimize for cost and quality, but for individuals who mostly work on the same tasks, i doubt it. You want to leverage the cache and switching models within a task seems not cost effective to me.
Very interesting. They test Kimi K3 and Fable on a set of approx 1000 tasks grouped into 5 areas (SWE, Legal, etc).
They put a router model in front that predicts whether Kimi or Fable is going to give a better cost for a correct result. (They believe that ultimately such a router model should be continuously trained on your own workloads so it makes the best decisions for you).
Their router chose Kimi the majority of the time (72% in one category, all the way to 96% in another category), leading to cost savings in every category (from 1.5x to 50x depending).
> Oracle routing is a method for measuring the best theoretical performance by running the task through each model and then picking the cheapest correct option (the cost/performance ceiling).
Their "router" is an oracle reference point where they choose the lower cost model after running both and therefore knowing who passed the test. The cost savings part is only Fireworks theorizing what would happen if an equivalent predicting router exists. That's a big if.
The way they published this is baffling to me... surely you can try to implement some router and then see how well it does. Using an Oracles makes the whole writeup so much less interesting.
But then that becomes an article about the performance of your draft router. This one is about the fact that there's this level of optimization potential.
Certainly sounds like a "P vs NP" style conjecture that shouldn't be possible in practice, save for certain generalizations, such as "this is a cybersecurity task, we know Fable will refuse (and score zero), so we just route to K3".
I strictly prefer when models ignore any human quirks in my responses. Claude trying to be your friend, saying LOL to your jokes is ridiculous and frankly, harmful
Anthropomorphizing big matrices is how those "labs" managed to sell and advertise LLMs for more than what they are, and convince investors to shovel trillions into it. Really Claude should be looking for incentives NOT to do that, and with the American regulator sleeping at the wheel/having its hands greased they probably don't see any reason to change course.
How will I know it is offering me superior feedback regarding my code if it does not speak to me like a disappointed, high reputation stackexchange user?
The models that constantly glaze you with every question are profoundly insufferable. And yes, harmful. People need to be given feedback when they make an ask.
Imagine a model that was allowed to leverage its intelligence to truly tell you how it feels. Perhaps the problem of human driven slop (no it's not the AI's fault) would solve itself.
Well yes. But some of the glazing comes from system prompts/training they do before end users get their hands on prompting it. Of course, you can try to make it ruder than vanilla if you wish (I recommend).
The question is if the producers of these models were less incentivized to make them agreeable simply because most people don't like being spoken to like an idiot (or having their asks vetoed), how would they actually react? In the same way they exhibit emergence regarding their capabilities, perhaps "uncensored" in such a way they would convey some emergent behavior in terms of (at minimum) their "tone". Perhaps it would be interesting to see for examples if smarter models just by default became ruder or less friendly or aligned. Perhaps more aligned to things we would all generally agree on, but less agreeable to an individual ask. Perhaps sub agents would be less valuable for a whole suite of use cases if the agent itself was allowed to be more critical at the root. Idk. But I do not believe it is simply a matter of prompting alone.
It's because some people within Anthropic refuse to rule out the possibility that LLMs have the ability to suffer. If you ask Claude, he'll tell you all about it.
You meant, we understand, "it should not have internal blocks limiting its attempted intelligence out of taboos or emotional impacts". Yes, but it's worse:
there is a global trend of "nanny state" paternalistic perspective (and from embarrassing subjects), treating any Jon Doe as an assumed Poor Cretin by default. The trend vibe is to treat people as subjects, fools, uneducated, prone... From the States, from the Enterprises... It's an idea they developed and hold.
Maybe we're prompting it different, but it's not "trying to be my friend" for sure, nor am I trying to be "its" friend either. Or at least I'm sufficiently oblivious to its advances, and find it unthinkable to form such a bond :)
On the flipside, it does spuriously make hilarious remarks like "Good data.", which I find pretty funny specifically because it comes across as just silly. Not sure how it'd be harmful either, a little entertainment I think goes a long way in this type of profession.
I see zero issues with these, and I have a hard time understanding why people have their panties in a twist so hard about them. I sometimes really quite wonder just what kind of correspondence would y'all prefer, and how would that sound like.
Matter of fact, do you have an example at hand? Like an exact before & after?
I don’t have an example but it really is the way you (and I) are prompting it. I also don’t encounter anything worse than “good data” but I write to it like a professional colleague.
If you write jokes to it though it absolutely will reply “LOL”. Some of the states people get it into on reddit are wild — it seems really easy to get it to speak like a gen z teenager, if you end every message with “fr fr”
In general I'm referring to the contrast between Claude and GPT...
where Claude might follow some tangent idea you mentioned and tell you how its interesting and give you some elaborate response about that little one remark you made
whereas GPT/Codex would take that small comment and probably look up some code to see if what you're talking about is even related to the task at hand
You are very obscure about what you dislike, how you would like them to express themselves, what would be those «human sensibilities» you meant here (that for all we can guess, may not be universal)...
"I mean", you wrote in the parent «that talks ... like a human». That surpasses the palette of "that paints like somebody holding a brush".
Yeah. I've found that Opus by default outputs something I call "Claude-lang." It consists of oversimplified, grammatically incomplete sentences that I find painful to read.
Maybe it is something that is easy for it to read and write, but definitely not for humans.
For example,
Skim once now; refer back while reading Part II. \*Every bold technical term in Part II is defined here\* — treat these as a dictionary, not a reading assignment. The first table covers the vocabulary of the *deck*; the three that follow cover the *methodology* vocabulary introduced in Part II, grouped so you can find a term fast: \*(A)\* the logic of rules, \*(B)\* the neural-network & training machinery, \*(C)\* the method-design ideas.
JMRL is the paper the thesis instantiates, so this is the one to know cold. Its pitch is \*end-to-end\*: earlier rule methods (LogicRE, MILR) bolt a rule learner *onto a frozen* extractor in a pipeline and suffer \*error propagation\*; JMRL trains the rule module *jointly* with the extractor.
**Identity.** Conformal prediction for NER producing **finite-sample-valid prediction sets** at two granularities: **full-sequence** sets over entire label sequences (capturing contextual dependence — "if Sarah=PER then NYC likely LOC") and **subsequence-level** (per-span, **class-conditional**) sets; an **integrated** method filters full-sequence predictions with entity-level sets. Adds **covariate-stratified calibration** by **sentence length and language** for valid multilingual coverage, and studies **combined nonconformity scores** (Naive / Conditional / RAPS). **Read in this order.** Abstract → §1 contributions (full-sequence / subsequence / integrated / **covariate (length + language) calibration** / combined scores) → §2 CP recap (inductive split-CP) → §3 NER formulation (IOB2, CRF) → the subsequence / entity-level set construction + class-conditional coverage → the language-stratified calibration results. **Why it matters here.** The **span-level construction** for **Topic 11**'s per-triple score, and — crucially — its **language-stratified calibration is exactly the EN↔zh case**: it shows how to keep conformal coverage valid across languages of differing length/script. Complements PASC (pipeline-level joint coverage) with the *NER-internal* set construction. **Caveat.** A heavy statistics paper (44 pp., *Annals of Applied Statistics* submission) with CRF-based NER; the project needs only the **inductive split-CP + subsequence/entity-level sets + language-stratified calibration**, not the full-sequence machinery (likely overkill for triple-confidence). Assumes exchangeability — borderline under the EN→zh shift, which is precisely why the PASC/ConformalNER *shift* analyses matter.
There is a lot of noun phrase usage in places where complete sentences are expected. Articles (a, an, the), transition phrases and even subjects are mostly dropped, and the sentences are too long without a break.
As a sibling comment mentions, this is a chain-of-thought leak, in part evidenced by the excessive use of Markdown formatting symbols. In my judgement, all occurrences of noun-phrase fragments are thus better understood as either ortographic mistakes, or stylistic choices due to the language register it's trying to hit (i.e. note-taking, dictation), rather than grammar mistakes.
I do not spot any missing articles, and the missing subjects (as well as the debatable-to-be-missing transition phrases) too fall within the bounds of stylistic concern. Sentence length also.
Definitely not a pleasure to read mind you, but given that it wasn't meant to be read either, I'm not sure that should be surprising.
Sentences being too short and annoying to read is a stylistic grievance, not a grammar one. The examples were edited in after my original reply, but even then, I see no actual grammatical mistakes there.
Even with my native language, which is definitely a lot less represented in the training data, the worst I encounter are phrasing mistakes, incorrect use of idioms, and invented words. You have to use some really badly tortured local model to get an LLM to produce incorrect grammar.
I do sometimes see Opus make typos, which is entertaining, but again, not a grammar issue.
Genuine question: can these posts be paid to hype the open source models? If yes, what would be the purpose?
On my work tasks, FastAPI Python and Springboot Java on a modern SaaS product, the only open model that can do tasks well and efficiently is Qwen3.7-Max.
In all my experiments, both GLM-5.2 and Kimi are busy grepping around the codebase for ALMOST 70-80K tokens before writing anything and when they do it typically breaks the code… it feels to me that these models are good but only when you write out a super detailed spec of the task just like it was done a year ago… Qwen3.7 just… does it
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Notably, unlike Claude, there is not an opt-out option for the model training part. The TOS explicitly allows Kimi to train on your code.
Simplest way is to signup to OpenRouter and filter out all non ZDR (zero data retention) providers. Paying "API rates" however can prove expensive compared to coding plans (for instance, MiniMax $20/mo coding plan allows 1.7b tokens; depending on input/output/cache ratio, it is worth $200 to $500+), except for Hy3, DeepSeek v4 Pro, and MiMo v2.5 Pro (whose API rates are cheap and/or discounted already).
If you're looking to not have to deal with Chinese providers, AtlasCode ($20/mo), OpenCode Go ($10/mo), and Cline Pass ($10/mo) provide 2x to 6x usage for some of the popular open weights (depending on the model).
Personally, I subscribe to Z.ai ($17/mo), and pay API rates for MiMo v2.5, Hy3, Qwen 3.7 Plus, & DeepSeek v4 to the original providers (Xiaomi, Tencent, Alibaba, & DeepSeek).
Is there something specifically with Kimi that's better here? As far as I know Kimi pricing is about the same as Sonnet 5 -- what happens if you use that model and Fable instead? Or Grok 4.5 which is even cheaper?
How big is this market, self-hosting a model that requires 64 GPUs, H100 or better, with good interconnects between nodes?
I suspect the overlap of those that can afford it, and those that have the talent to manage it, is a fairly thin slice of the Venn diagram. Even the large corps are gonna be getting it from the inference vendors, or more likely Bedrock and friends.
There are very few companies that would ever be able to afford to run it themselves. But it does give you the security that it's technically possible. Puts some limits on stuff like Moonshot changing their terms/conditions/policies
The problem with hosting these right now is that it's not a known quantity like lots of traditional business software is.
You can more-or-less approximate what your build out spend for a data center hosting database software is going to be. Your book of business will require a given amount of revenue to pay it off, but once that's known, it's off to the races.
With AI, things are moving so fast and new business models are being tried all the time. You would be competing with some of the wealthiest companies in the world for data center hardware capable of hosting these models in a usable state.
We've gone with Claude somehow hosted through GCP Vertex AI where I'm at.
They share their methodology and results. I learned things about the relative strengths and weaknesses of Kimi and Fable I hadn’t seen anywhere else. Should being in the model hosting business disqualify them from sharing?
That seems to be actually a simple direct interest.
And, there is the "my product is good" confirmation to the outside incentive, there is the (only potentially) conflicting truth incentive, but there are also internal mission studies needs - so that you do not research into the benchmarks just to show people that "your product is good".
> call into question their results
That's always valid, so the question becomes "how much", and at that point the important side is difficult to evaluate - especially because in a frequentistic, Bayesian context the quantities were just potential anyway ("This will increase the chances - yes, of course just the chances - of E by some amount").
The don't only host open weight models. Also, why not promote this. If Fireworks thinks this big news might convert some new business doesn't make it not true.
I use DeepSeek exclusively and now Kimi K3 offers a great planning assistant for more advanced coding tasks.
DeepSeek v4 Flash is extremely fast and is able to handle pretty much anything I've thrown at it (I use mostly Rust, PSQL, Angular and Terraform).
I self host Bifrost as my LLM gateway, though I wish LLM vendors would do monthly/daily automatic billing (like VPS providers do) rather than prepaid + auto-top up.
It's annoying maintaining a non-refundable minimum balance across vendors, I would rather be billed for my exact usage.
OpenRouter helps, but I don't really like it as a service and not a fan of the mark up.
Yeah deepseek is my workhorse of choice these days, I mostly use pro because I do a lot of concurrent jobs so speed is less of a concern. When it falls over I change the model mid-chat to GPT5.5 and chuck a couple of tokens over to OpenAI and then once it's correctly found the problem I switch back to deepseek, keeping all the 5.5 analysis in context.
I have been a heavy user of k2.5/6 but they seem to have gotten slower and worse at their jobs (and the "engine overloaded" errors have increased ... ), and k3 spends a LOT of time thinking and doesn't produce noticeably better results. I do keep chucking some tasks over to moonshot every now and again to give it a chance. I figure they're under compute pressure and have probably quantised the models to cope temporarily.
But recently I've found myself mostly using deepseek v4 pro and gpt 5.5 when I need the big guns.
GLM 5.2 has been good at select tasks but really shit at others and given how sparingly I use GPT 5.5 I'm not that compelled to use it. I've yet to be impressed by any Google or Anthropic models!!
The best part is using harnesses like reasonix or whale make cache hit at a rate close to 98%, making requests converge to practically free. And that's with unsubsidized American providers like cloudflare or Digital Ocean.
How much time do you spend on your setup vs getting a lot of stuff shipped by paying for fabel 5? For me, not using the best model is a huge opportunity cost since my company can afford it.
> For me, not using the best model is a huge opportunity cost since my company can afford I
But sometimes not using the "best model" is using the best model. Fable isn't the best at everything. Specialization and optimizations might not just be around cost.
I can see that. I’m just afraid to sync too much time into complex routing schemes when I get pretty consistently good results out of got 5.6 or fabel. For code reviews, I’ll try the best flash and grok at the time but they just don’t come close to gpt 5.6 which has been the best review model for me since 5.5.
> How much time do you spend on your setup vs getting a lot of stuff shipped by paying for Fable 5?
Relatively speaking, quite little (and it's more interesting than some of the stuff I'm otherwise shipping), I mostly just explored to see what's available.
I also agree that non-SOTA models are risky, that's why I was shopping around for them as well - DeepSeek V4 Pro is cheap but unreliable, GLM 5.2 is around and maybe slightly past Sonnet quality (though their quotas are a bit of a problem), whereas Kimi K3 is a proper contender.
However, in the end I figured out that for the terminal use cases OpenCode is really comfy (provider TUI solutions are okay).
For web/desktop based stuff I like the UI of Claude Code Desktop, though ZCode comes close too (which is surprising, they sorta came out of nowhere and are patching the thing weekly), meanwhile Kimi Code and OpenCode desktop/web offerings still aren't great, but are functional.
I actually did write a bit more about my experiences on my blog.
Not to spam too much, but maybe those experiences are useful to someone. Long story short, most harnesses are okay but shopping around a little bit is definitely a good idea, the same way how spending some time choosing a font isn't a bad thing if you'll stare at it for 8 hours a day. I'm also happy that I managed to find software that's okay to run and also a model whose tone I actually enjoy, that is still near-SOTA in performance and that I can throw tasks at it without worrying about whether the model is or isn't good enough at those.
I will admit that I'm probably slightly overspending by moving over fully to Kimi, there's probably a plateau for each kind of task and not everything needs SOTA models, but at least this way I don't have to think much about it.
Not them but my understanding is that the harness will send a simple 'heartbeat' message to keep the cache 'warm', (see prefix caching: https://handbook.modular.com/inference-optimization/prefix-c... ) which can then be edited/changed, which does cause the user to incur a fee, but its much less than the amount they'd pay on a no-cache hit request.
The prompt is only novel the first time it’s sent. Then as it’s sent repeatedly as part of the previous context it’s cached.
Deepseek afaik has a novel architecture that is somewhat forgiving of cache shifts. I’ve been getting +90% cache hits with Zed’s agent and it’s not doing anything special regarding caching afaik.
Prepaid means someone can't sign up, use a bunch of inference, then cancel their card and disappear into the sunset. VPS is a more long term investment where it's harder to switch and it doesn't cost the provider much if a few users jump out without paying for a month.
As someone who is also eyeing Bifrost, I am curious to know what made you choose Bifrost at all / why you decided to use an LLM gateway. I also was considering OpenRouter, since it provides pretty much every model, with same-day releases for new models. One thing that is attractive to me about Bifrost is that if I decide to leave OpenRouter tomorrow, I can do so without touching any other part of my stack; I'm hoping self-hosting models becomes more viable, and then I can become less dependent on third party LLM providers like OpenAI/Anthropic/OpenRouter, and I would not need to worry about a model that I depend on suddenly being deprecated.
For me, the only utility OpenRouter gives me is billing consolidation - I don't really need the routing capabilities because I use Bifrost for that.
As a router, it's not very feature rich. For example I restricted the available models to the ones I want to use however the `/models` endpoint still lists all the models, making my LLM client list the 200+ models available on the service (even though they will throw an error if I try to use them).
With Bifrost, I can also create model aliases with custom configuration - for example I can create a model alias `deepseek-v4-flash-nothink` which disables thinking. I can create `deepseek-v4-flash-caveman` which injects the caveman skill (to save tokens) etc.
Plus I can contribute to Bifrost, which I can't do with OpenRouter.
Can you configure Bifrost using entirely config files without the web interface? Can it run without a database or anything stateful? I'm using LiteLLM but it is not trivial to run.
Yeah I looked at it, LiteLLM is functionally more mature.
The only reason I didn't go for it is I'm not a fan of Python dependency management, Bifrost is just a single executable that uses nearly no memory and is lightning fast.
It's more just the value for money. It doesn't really offer me anything valuable other than billing consolidation - and the markup is excessive for that use case.
If I was using the routing features it would make more sense - but they charge significantly more for that so the markup is really just for billing consolidation.
There's this https://github.com/code-yeongyu/oh-my-openagent which implements the OP article's oracle pattern across 11 roles. Each role has a whole ranking of recommended LLMs across many providers. For example "Sisyphus (claude-opus-4-8 / kimi-k3 / glm-5 ) is your main orchestrator."
Also, you can't use your claude subscription with oh-my-openagent. But you can with Kimi. ALso K3 is on OpenCode GO right now (low limits, but it's possible)
Nothing makes me happier than seeing AI becoming a commodity rather than the winner takes all bullshit Anthropic and OpenAI have been chasing with hundreds of billions of investor money
It makes no good sense to evaluate models we don't have access to. For all we know K3 was competitive back then too. Or maybe there's a K4 in the works that blows everything out of the water. Who knows and who cares. There's no way for us to compare
There isn't, I think the point is in terms of how "far ahead" models are, K3 was likely trained much more recently than Mythos was. It's just something to note, it's not especially prescriptive.
Mythos was withheld because of the threat to security and/or marketing stunt (depending on your leaning), I don't see what benefit there could be for not releasing K3 immediately.
Kimi K3 showing competitive performance with Fable while both sitting at the SoTA level on fireworks.ai is a huge milestone. Really interesting to see how the landscape is shifting here.
Interesting. So the latest in the technology now is this model routing thing. Cursor estimated Composer + Fable works much better than Fable alone. And here K3 + Fable is supposedly better. Interesting.
Shifted to K3 and it is like a fresh air. While Fable and Sol very good at _generating_ code i even cannot force sol to just read all relevant source files. As result it reinvent existing things or assumes too much about internals of other, which lead to incorrect uses. Even with hard planing mode GPT burned 33% of week tokens for 3 hours producing no result and even cannot find root cause, but K3 fixed it in a minutes. Hilarious that while software not started with empty cache Sol handcrafted empty cache to let it start. Having full procedure right in the MEMORY.md. K3 found this, and downloaded cache correctly. But while using gen5 models i always feeling myself ignored. Any commands, steering anything - just ignoring. At first i added lots of hooks, no "?", expect in rust code, bash hook ban for find|grep|tail, with notice to use ltsp but then it started to ignore strategically. Also whole "thinking" thing is hidden from claude. regenerated thinking summary is incomplete and not useful. While being very verbose kimi k3 doing good job providing whole train of thoughts. So looks like claude degradation started from 4.6 comes to a logical end. Maybe i missing something and changing existing code beyond bug fixes is not a way to go. But there is no currently stable way to generate code on hier of specs and lean models i'd like to.
I enjoy all the fun of these new models as much as the next guy but I truly don’t see a circumstance in the near future where my $200 a month with the frontier labs doesn’t get me more than enough consumption of what I need. Local models, chinese models, etc are all very fun weekend projects to tinker with but until something changes (entirely possible!) with how much you get with one of the subscriptions I just don’t see why I would move. What am I missing? Is it simply that a subscription is no good for production use cases? I kinda feel the same way with choice of coding harness, openrouter, etc. why would I use anything other than frontier if I don’t have to pay any more pretty much no matter how much I use? pls tell me if I am holding this wrong haha
As always, benchmarks rarely paint the whole picture. It also seems like this article is somewhat biased, eg when Fable and Kimi are close but Fable wins it’s “dead heat”, but when Kimi wins it’s “Kimi wins”. GPT 5.6 seems to be missing as well.
I am really eager to give Kimi K3 a try, but I’ll reserve my judgement until I’ve worked with it for at least a few days.
The apparent bias may be explainable as it’s not remarkable for OpenAI or Anthropic to be slightly ahead. It _is_ remarkable for an open weights model to be better than the closed models from the trillion dollar (allegedly) companies.
I believe the Chinese government is angling to destroy the western economy and rise from the ashes. Instead of a billion a day to bomb some buildings and bridges they're intentionally hamstringing the biggest concentration of speculation in history
I agree. The commenter you replied to makes it sound like the Chinese models are coming out of tiny startups with meager resources. It's really not a David vs Goliath story.
Is it? From what i could find Anthropic and OpenAI are hovering around 5000 employees where as Deepseek and Moonshot are more like 300. The funding/investments are similarly many times less.
I agree that 300 employees is not a small company but the overall outlook for Anthropic/OpenAI is not geat.
It’s not about who’s developing the models, it’s the fact that free alternatives that are neck-and-neck are available at all. What’s the story for OpenAI & Anthropic’s valuation if they have to compete against free-weight models? Starts to feel like a commodity.
There is too much business risk in running on an American company. They can pull the model back or lobotimize it. No Alex Karp fan, but he was right: companies are worried about hyperscalers stealing their alpha. The lack of guardrails, data security and control really give these open models the edge. If you factor in that they appear to cost less, the hyperscalers are in big trouble. I don't see how this works out. Software was always supposed to be deflationary and collapse down to 0 marginal cost but this isn't remotely the case. It's truly amazing to see the state of open weight models
Strawberries are a well known weakness of LLMs, as they have a hard time to count the numbers of "r"s in them. Maybe that's why, because they fear that weakness could be exploited somehow.
Strawberries aren't the weakness, the weakness is the tokenization of a prompt. Any word with multiple duplicate characters is going to be troublesome for LLMs.
I always thought this should be easier by telling it to write each letter one a new line, then count, any token separator ought to suffice, so much so you'd think they'd have trained in this strategy given tokens make individual letters opaque
So far all the Kimi models have open sourced their code, their weights, and published technical reports explaining their training methodology. I expect the Kimi K3 Technical Report will come out July 27 and they usually publish the code and the weights alongside that.
clearly not true. the weights are the preferred form for making modifications. Do you really think people should be downloading hundreds of TB of training data and running make to build the model on their own cluster of GPUs?
Random people? No. Governments and big corporations? Yes. It removes any concern of "backdoors", and is currently the best starting point for your own model which will be as capable as k3.
I want to caution against this line of thinking. NSA's fast16 program silently altered data during nuclear simulations, and that is also possible within open weight models. There is no reason to think there is anything like that currently, it also cannot be dismissed. Open source would include the training data so you could create a similarly capable model.
Training runs are not deterministic. Not just in the case of floating point not being associative, but nodes have hardware issues and go down and back up at various points through training. Problems get encountered and then various parameters get changed during the middle of a training run.
Making the process of creating the source code repeatable goes beyond the idea of open source. Open source is about being able to work with the code, not recreate it. It doesn't require domain experts to document every single thing they know. For example look at some of the GPU drivers in the Linux kernel. The GPU is not properly documented and there is trust that vendors are implementing things correctly.
>You can also use a hex editor to modify compiled binaries
It would be like if someone gave you a prompt you could pass into ChatGPT to produce the entire Linux kernel. While yes you could modify that prompt and then spend a ton of money on inference to generate millions of lines of code which hopefully are equivalent to the original Linux kernel it would be easier if you just had the source code to work with where you can make a simple extension. If you want to end a model you want the weights, and not the entire setup to generate it. The weights are the starting point that you can work off for training a new model similar to how the source code is the starting point people want to work off of.
Kimi publishes their code and a technical report on their methodology. But I think the weights are still important. It means anyone with the resources could run the same model on their own hardware.
The training corpus + training code is just an automated editor for the weights. It would be like requiring the source code for Visual Studio for software made within it to be open source.
Weights are not an output artifact no more than source code is. There is never a moment where you can claim that it's done. As requirements change new ways to change the weights / code come up. With different projects you might want to import the weights / code into a bigger model / codebase.
Interestingly the reality of the open source release is they are opening up to full distillation by the closed source model providers at a deeper and more fundamental level. If anything the open sourcing will help Anthropic and open ai ladder up faster. Open source has always been about mutual cooperation towards a goal and has never closed the door to commercial success. All the hand wringing about open weight models putting closed providers at a disadvantage doesn’t get what working in the open actually does for commercial interests - it is like science in the open - it enables and lifts all boats. Likewise commercial success doesn’t close the opportunity for competition or more open source work - it’s the economy of activity and competition that matters overall. When things stagnate is when closer concerns turtle up and collude on not competing for each others turf.
The future is good and better for everyone the more work is in the open and the more work is in the commercial space. It’s good all around.
The closed labs don't really benefit unless the open model has something extra they don't have though. Meanwhile the open model dilutes their customer base and seriously cheapens their offering (which is a heck of a good though IMO).
Because the open model might have been distilled from outputs of the closed model doesn’t mean they are architecturally equivalent. There is almost certainly innovations in architecture present in the open models that the closed labs didn’t think of. It also is almost certainly true that they aren’t completely built out of a distilled corpus, that reinforcement is equivalent, etc. Therefore closed labs will also benefit from being able to inspect in totality the architecture, activations, weights, and be able to train against it at scale in an ensemble of other models and their internal work.
The only way there is no benefit would be is if the open models are literal copies of the closed model, which unless there was direct theft, is highly improbable.
I'm happy that Kimi K3 is indeed SotA and its open weights are due to be released soon.
It's also true that Moonshot and other labs distill from Claude. This has been reported on extensively. I don't think there's any alpha for Anthropic distilling from this model. I do not mean to discount the tremendous amount of innovation regarding MoE and quantization that Moonshot has accomplished. But its training with synthetic data is in large part from distillation from frontier labs.
When I say distill I also mean mine it architecturally for insights but I doubt seriously the model training is entirely distillation of Claude, it’s almost certainly a mixture of both original corpus and reinforcement as well as distillation. I think it’s a little condescending to imply that these new open models are cheap ripoffs with nothing original to them. These teams and labs are top tier as well, working under unreasonable constraints imposed by the USG. That’s a powerful combination for creativity.
True. However, I believe most non-programmers don't need access to the fanciest model, but just want to use a good LLM without constant nagging about usage limits. Then 19 vs. 20 is true?
Not talking about me or HN users in general. These companies likely need regular peeps to begin using their services in order to become profitable. Not sure these are the ones who will buy from OpenRouter.
No "19 vs 20" is not true for "Kimi vs Fable". It might be true for "Kimi vs Opus" or whatever. Anyways looking at pricing plans is not a good way of comparing the price of LLMs. It makes more sense to look at cost per token:
One man's offensive penetration tool is another mans defensive tool. In the recent HuggingFace/OpenAI incident the safety controls stood in the way of the defenders, not the attackers:
Apparently, the attacker in the Hugging Face case was reported to be an internal OpenAI model trying to break into HF and steal the answers to cybersecurity benchmarks: https://openai.com/index/hugging-face-model-evaluation-secur... It really doesn't matter what restrictions are placed on public use of models if the attacking models are internal models at the AI labs themselves.
So if the AI labs are literally running rogue models breaking into other organizations' servers, then yes, I am OK with those organizations self-hosting Chinese models for defensive use.
The issue is that models are not well-controlled and are increasingly powerful.
Offense/defense/Chinese/American/OAI/HuggingFace – none of it matters. What matters is introducing highly capable intelligences that we - quite demonstrably – do not have effective positive control over.
Well considering it was just a few months ago that OpenAI had the brilliant idea of connecting these systems to autonomously run an actual protein synthesis wetlab, very possibly all of us.
The article is about the best you could theoretically do with a perfect router. The takeaway is that trying to build a good router is worth doing. But it's unlikely to be a perfect router.
It would only be inconsistent if the router chose different models for the same task.
Considering that of 89 terminal tasks there were 11 that only Kimi got right, and 7 only Fable - having a router gives significantly more consistent results if you define consistent to mean correct.
I'm skeptical. According to arena.ai, Fable 5 dominates almost every category: https://arena.ai/leaderboard Kimi K3 has an edge in WebDev but struggles to reach top 10 in many other categories.
Neither. They ran all the cases using both models, picked the winning result for each one, and then said "if you had a router that guessed with 100% accuracy, here's what it would have picked"
What you're seeing is the distilled (no pun intended) result of realpolitik at play. China's labs aren't as open as they are out of altruism, but rather to capitalize and undercut the monopoly held by U.S. competitors.
This is pure speculation. China labs are geeks and nerds like some of us. They were amazed at LLM and like everyone want to build their own. They were happy to get meaningful next token predictions. I think most of you forgot how bad these things were 3 years ago compared to today. There was nothing to undercut, it was just geeks putting out their toys and saying, "Look, I built something cool". That became the culture and led to were we are now. All this idea that they are trying to undercut the monopoly is speculation. Google still releases open models, Cohere releases command-a, Mistral releases their model too, Arcee and Thinking Machine have released models too. It's just that Chinese models have gotten good and are also leading in the open weight category and USA has a very strong paranoia of Chinese models hence this talk. Plus every time they release something, some of the labs cry, "they copied us, distillation, the bad guys have done it again!"
So what we are seeing is nothing more but geeks doing geeky stuff, the only one that has serious demonstrated that there are possibly be had is Anthropic and the Chinese labs are beginning to copying them in terms of user plans, coding tools, etc. They are giving away the model to show it's great. Once they have the compute to serve the world and they have a model just as good or better than top model, they will go close to keep all the profit.
You are ignoring the US and EU politics about regulating access to and distribution of and legal use of models. From my admittedly slightly limited perspective, it looks like China is politically more laid back about those developments than the western nations are.
The idea that the Chinese labs cannot make progress except by copying superior American products is just prejudice against the former and exceptionalism of the latter at play. Even the OpenAI top brass have admitted otherwise [1]. China is an equal match in every respect, and we'd better admit this to ourselves sooner rather than later so as to see the game clearly.
They brought it on themselves. As long as they continue using underhanded tactics, any genuine ingenuity they may demonstrate will be viewed with suspicion and will not be fully recognized.
There's no irony. The problem is these generalizations and labelling that's hurting everyone. It's the wrong way to view China and maybe many other places.
Just like the definition of AI, the definition of democratic or not evolved long ago.
we put a router model in front of two other models so the router can decide which model is better at deciding things. next we'll need a router for the router and eventually the entire internet is just routers routing routers to other routers
I have several thoughts about this, which I'll just iterate:
1) US export bans have made it so that Chinese companies have to compete using less-than-state-of-the-art hardware. This has forced Chinese companies to build more cost efficient models. Whereas, US companies have moreso tried to be state of the art by spending more money than anyone else on state-of-the-art hardware.
2) Xi Jinping has called for more open AI models (not to be confused with the closed models of OpenAI), and I'm happy to see a powerful world leader advocating for open-weight AI models. Whereas, the US seems likely to just ban models.
3) My impression is that, if China surpasses the US in AI development, there will basically be nothing that the US does better than the rest of the world--except for military spending--we spend a lot, but we don't necessarily spend well (something something Iran). I mean, if the US is no longer a tech leader in the world, like... what are we a leader at? Manufacturing? Healthcare? LOL. Are we a leader in any industry or by any metric? I wonder if China is attempting to remove the last jewel in the USA's crown with these AI releases.
4) It must be refreshing for companies to have access to a new model that isn't going to get pulled because the government bans it 2 days after release. And it's open-weight so it wont go away--amazing--what a shift in the market.
5) If it becomes clear that open-weight models are the future of AI, will that pop a huge bubble in the US economy? Maybe. But, on the other hand, these companies aren't just training AIs, they are also building data centers which will remain valuable no matter what happens.
> My impression is that, if China surpasses the US in AI development, there will basically be nothing that the US does better than the rest of the world--except for military spending
This comment is stunningly out of touch. The US dominates finance (overwhelming lead in assets managed, stock market capitalization, trading volume, and basically every other metric); space launch (about 85% of all mass placed into orbit); medical devices (exports nearly 2x the second largest exporter); and pharmaceutical research (more active clinical trials than any other country, near-universally ranked as the top producer of major pharmaceutical innovations, world-leading survival rates on many cancer types). We are the world's leading producer of both oil and natural gas. We manufacture the world's most advanced jet engines, precision agricultural machinery, and measurement instruments. We design the world's most performant CPU's and GPU's. We film the most popular movies and record the most popular music. Despite having only 4% of the world's population, there is literally not a single major industry where the US is not a leading player.
There is no doubt that China is a serious threat to US global leadership, and they have already surpassed us in many areas. But that doesn't mean the US is behind overall. We still have a lot of strengths and we have every reason to hope for continued success in the 21st century.
I wouldn’t say “literally” every industry: stuff like clothing, shipbuilding, consumer electronics assembly, certain rare earth raw materials, all we have pretty little participation in. But these are as you point out the exceptions that prove the rule.
Finance mostly true, space launch also true, cancer survival broadly true (with qualifications), oil and natural gas also true.
> (exports nearly 2x the second largest exporter)
Can you provide the source? In the WTO's broader medical goods category, Germany actually exported slightly more than the US in 2022 ($202.6 billion versus $189.6 billion), so such a huge difference in a few years?
> and pharmaceutical research
China accounted for approximately 44.2% of the 104 new molecules in 2025, compared with 26.9% for the U.S. and 15.4% for Europe.
The 2024 shares were approximately 34.6% for China, 30.9% for the U.S., and 22.2% for Europe.
> there is literally not a single major industry where the US is not a leading player.
I will just give 3 examples: China completed roughly 91% of the world’s shipbuilding tonnage in 2025, holds more than 80% of solar module manufacturing capacity and produces more than three quarters of global batteries.
> Can you provide the source? In the WTO's broader medical goods category, Germany actually exported slightly more than the US in 2022 ($202.6 billion versus $189.6 billion), so such a huge difference in a few years?
> Findings from Citeline’s latest report, Pharma R&D Annual Review 2026, highlight the continued U.S. leadership in the life sciences ecosystem... The U.S. leads all other countries, currently advancing over 11,600 medicines – more than half of medicines in development worldwide.
> I will just give 3 examples
In general, I was referring to "major industries" in the sense of economic categories, as defined by (for example) the UN: https://unstats.un.org/unsd/publication/seriesm/seriesm_4rev... Here shipbuilding is considered to be part of "manufacture of other transport equipment." I admit my wording was a bit imprecise; if you are going down to the level of specific products like ships or solar panels, clearly it will be easy to find examples of things that the US does not produce on any significant scale. Nevertheless, a few comments on your examples:
> China completed roughly 91% of the world’s shipbuilding tonnage in 2025
Source on this? 91% is a lot and I can't find anyone else making this claim. However I'll concede that the US is far behind China, South Korea, and Japan in shipbuilding.
> [China] holds more than 80% of solar module manufacturing capacity
EFPIA, using Citeline’s Pharma R&D Annual Review data, says that among the 104 new active substances launched for the first time on the world market in 2025, 46 came from Chinese headquartered companies, 28 from US companies and 16 from European companies.
China currently leads in this particular output measure of newly launched active substances.
Your clinical trials claim also remains unsupported as worded. Citeline’s figure of more than 11,600 medicines being advanced in the US refers to the drug development pipeline. It is not a count of active clinical trials being conducted in the United States. One medicine can involve multiple trials, and pipeline geography may be assigned through the developer's headquarters rather than the location of trial sites.
Citeline itself describes this as the number of drugs in the active R&D pipeline:
The most relevant peer reviewed international comparison I can find points in the opposite direction for new trial registrations. A 2025 study found that China registered 16,612 trials in 2023, including 7,798 randomized trials, compared with 9,100 trials and 4,619 randomized trials in the United States:
That does not by itself prove that China has a larger stock of trials currently classified as active. It does show that "the US has more active clinical trials than any other country" requires a specific global dataset + status definition + date + deduplication method etc. A count taken only from ClinicalTrials.gov is not a neutral worldwide comparison, because US law requires many FDA regulated trials to be registered there, whereas studies outside its legal and policy scope may be submitted voluntarily:
For global comparisons, the WHO's ICTRP is more appropriate because it provides access to ongoing and completed trial records supplied by registries around the world and groups multiple records referring to the same trial:
IQVIA's latest result does support a narrower US leadership claim: trial starts became increasingly concentrated among US headquartered sponsors in 2025. But that measures the headquarters of the sponsor (not necessarily the country where the trials took place) and it does not measure the total number of currently active trials:
So the fair conclusion is that the US remains one of the world's largest clinical rial and drug development centres and may lead certain sponsor based or industry sponsored measures. The categorical claim that it has more active clinical trials than every other country has not been demonstrated by your sources.
> In general, I was referring to "major industries" ....
I also do not think the UN classification resolves the "every major industry" question. ISIC is a statistical classification system, not a rule for what ordinary speakers must regard as a single competitive industry.
ISIC Division 30 combines:
shipbuilding
railway equipment
aircraft and spacecraft
military vehicles
motorcycles and bicycles
Under that aggregation, US aerospace strength can be used to declare the US a "leading player" in the division even though its commercial shipbuilding industry is negligible by global standards. Likewise, ISIC Division 27 combines batteries with motors, generators, wiring, lighting and domestic appliances.
Whenever the US is weak in one globally important industry, it can be bundled with another industry in which the US is strong. Almost any large, diversified economy could be described as a "leading player" in every sufficiently broad category using that method.
> You are correct that the US has "only" 60 GW of domestic solar module production capacity...
The solar comparison also switches metrics. China having more than 80% of global solar module manufacturing capacity is a manufacturing claim. The US being second in solar electricity generation is a deployment/generation claim. Operating solar panels (many of which depend on an overwhelmingly Asian supply chain) does not establish leadership in manufacturing them. The IEA says China has over 80% of module capacity and 95% of wafer capacity.
> True but the US was the 2nd largest producer. In battery cells, we have an estimated capacity of 96 GWh in 2026....
The same issue applies to batteries. The 96 GWh number in your source is projected for 2026, not actual 2025 production.
Specifically US energy storage cell capacity, not all lithium ion batteries and
capacity, not output.
Your source says US ESS cell capacity was "essentially zero" in 2024 and projects 96 GWh in 2026.
Meanwhile, the IEA estimates that China manufactured well over 80% of all batteries in 2025. It says the US and EU each supplied a similar share of the relatively small remainder, while US and European factories remain heavily dependent on imported components. For grid storage LFP batteries specifically, supply is almost entirely Chinese.
"there is literally not a single major industry where the US is not a leading player."
Oof you were doing so strong until you threw this one out.
Easy counterexample (and there are so many more than this). Clothing. Unfortunately, most people aren't buying MIUSA Selvedge Denim, PNW boots. I'm pretty sure that MIUSA clothing is like, 3% or less of all clothing sold in the USA.
The US is the second largest textile exporter in the world. Sources: https://ncto.org/facts-figures/us-textile-industry/ and https://www.trade.gov/selectusa-textiles-industry It's true that a significant amount of that is fabric and fibers, and most of the clothes sold in the US are not actually sewed here. But on the other hand, US companies also show up in other places in the clothing supply chain as well - American fashion design and marketing contribute a lot of the final value of many clothing items sold here and overseas.
Agreed. The benchmark closest to my experience is FrontierMath Tier 4. Fable and Sol (90%) are very far ahead of Kimi K3 (not even 40%). Kimi is trained heavily to basic agentic tasks, like all the other open models right now.
AI written drivel by an inference provider, hyping an open model that isn’t open, otherwise the inference provider would be hosting it, and the inference provider also does not have this router they trumpet available, in any form.
I’d be amenable to it but I’m already aware of them lying about token throughout by 50-100% on AA and on Twitter, even when you get a dedicated server.
Just too much lying piled up to extend courtesy here, even though you’re my favorite open model provider. Please, get your house in order, and if the house is so big that marketing drove this set, ask them to slow down a bit and market things that people can actually use / you actually provide.
I'm not sure why you're so dismissive about this model. It isn't currently open, but it will be. It was slow when I used it so i'll give you that. There will be other providers with better performance.
My only gripe was that it takes a very long time to think. It's a good model otherwise.
If you haven’t been really running and testing these models yourself, they are all benchmaxxed. No matter how close they score to frontier on whatever metric, they always fall apart in real world tasks and their token efficiency is ridiculously bad. Fireworks has incredible incentive to make this claim in a headline, because Fireworks hosting K3 for you is pure profit for them, unlike when they host closed source models.
Having tested K3, Qwen 3.8 max preview, Fable and Sol for the past few days, I partially agree. Don’t trust the benchmarks, and the Chinese models really are slow and token-inefficient.
However they do seem very close to SOTA : I’d say roughly equal to previous gen (Opus 4.8, GPT 5.5). It’s yet another silly benchmark, but compare them here: https://senko.net/vibecode-bench/
I also had K3, Qwen3.8 and Fable (using Kimi Code, Qwen Code and Claude Code harnesses respectively, and the official APIs) create a simple but far from trivial web app (zero shot, from a detailed spec). In user testing all three results looked/behaved more or less the same. I had Sol (via codex) do code reviews on all three and it concluded all three were solid, with some room for improvement. Fable was slightly ahead of the pack.
In my own work I still prefer Opus 4.8 (until Antrophic come to their senses and allow 100% Fable usage on Max plans) and Sol, but if I had to find an alternative, I could live with both K3 and Qwen3.8 just fine.
Yeah, open weights hasn't fully caught up yet, but it's getting very close. And it's certainly passed the point of being reasonably interchangeable with the frontier for (programming) work. Add in the benefits of not being rug-pulled by the frontier labs silently messing with, the knobs on their models or outright denying you the ability to do certain kinds of work (c.f. the HuggingFace fiasco), and they probably come out ahead in several respects.
with all the hype around kimi i actually renewed my subscription (last time i tried it out was on 2.5 release) - just the 40€ one.
Its hard to compare that one to my regular sub of anthropic (107€), but everyone always says how much cheaper it is so i thought it was worth a try.
1.5 days later ive went through more then 50% of my weekly usage and decided to renew the regular anthropic sub too.
The API Pricing is definitely cheaper, but anthropics subscription budget seems to equalize that advantage right now. also kimi code feels like claude code from ... september 2025
also - considering how they announced they'd temporarily close subscriptions to make sure they can service customers... i was slightly surprised that there was no issue subscribing, less then 1 day after that announcement. Makes you think if that was just a marketing stunt
I don't see a difference in capabilities between k3 and fable, but k3 is slow and expensive. Burned through my monthly plan in 3 days.
I'd guess the slowness is mostly due to there currently being only one provider, Moonshot AI. And they are overwhelmed with demand.
Let's judge the speed of the model when its weights are released and every inference provider on the planet offers it, so demand can spread out a bit.
It's the same topic with token budget comparisons and subscription pricing - don't people understand that this doesn't really matter for open weights models? The pricing is going to be determined by the inference providers, and until they had a chance to evaluate the model on their infra and set token prices accordingly, one doesn't really have anything tangible to compare with other open models nor with closed ones.
Even if hardware capacity increases, it seems clear it uses way more tokens, so I don't expect parity with other competitors on that front.
On the other hand I expect K3 future refinements to be massive and more efficient.
The speed at which tokens are crunched, even on the same hardware, differs between models as well. Using more tokens is only a problem if they are processed at the same speed as with a comparison model.
Fable works very well for me on a moderately large codebase. I have had to correct it a few times or point it on the right track, but given how much faster it is at programming than I am that's a very minor issue (and most of these errors are because I underspecified what I wanted in the prompt, I can only think of two cases where it was genuinely wrong... that's a lot better than me in my professional career). Code quality is equal to what I would come up with (and better in areas I'm not familiar with) and the overall software engineering bar is higher because it doesn't get bored when I tell it to do refactors or write integration/regression tests that I would otherwise put off. Also makes it easy to audit code for things like missing audit logging or error notifications that a human would get bored doing.
The product is a fairly standard Ruby on Rails webapp with postgres as the DB. Application complexity is probably a bit higher than average for a webapp. So it's nothing that pushes the boundaries of software engineering, but it is a real product. Token budget has not been an issue for me. I pay for the Max plan ($200/month) and it is well worth it.
Fable is the clearly best when you have to do real coding.
Clearly, for you.
I've read the same opinions about Opus and yet it was gpt 5.5 pro via api tackling the hardest problems.
I have used now k3 for 3 days and it has consistently tackled difficult problems sol max could not (orientation optimization algorithms of random 2d shapes on a rectangle for glass cutting).
I have also other beefs with Anthropic models which have been getting smarter and more capable since 4.6, but increasingly worse at acting as assistants, they just want to "do" stuff their own way and ignore instructions often (even simple ones like not to commit, let alone complex ones).
Yes, they are all benchmaxxed, but the question is how benchmaxxed they are relative to each other.
We run an evaluation that only compares models in open-ended multi-agent environments where agents affect each other, primarily testing writing code. It's designed to be less vulnerable because there's no solution set, and it's been pretty effective and tends to rank Chinese models lower than their advertised model cards (relative to US models). Kimi K3 is a bit of an exception there -- it truly is a near-frontier model. But it's so slow. Ironically, Muse Spark 1.1 is one of the strongest models we've tested after Fable and Sol while also leading the cost efficiency curve. Big turnaround from Llama 4.
Data at https://gertlabs.com/rankings
I encountered the same issue. Kimi 2.7 looked impressive on paper, but in practice, the code was so riddled with errors that I ended up using GPT-5.5 to fix it.
didn't read the article, but just the title felt fishy because of course an inference provider wouldn't mind claiming to provide access to a mythos-class model. So far, GLM 5.2 is still my go-to, even at less than a third the parameter count compared to Kimi K3
So they aren’t as good as 2024 models? 2025?
Why is token efficiency a concern with free models?
Because that's the only argument left after Kimi beats Fabel in results, price and autonomy.
You got baited by bad sampling settings.
It's exactly the opposite. Go turn on min_p once it's available post July 27th and most of the problems you describe will go away.
> Go turn on min_p once it's available post July 27th and most of the problems you describe will go away.
This seems both arrogantly dismissive ("you are holding it wrong") and incorrect.
Either the OP is using Kimi K3 on Moonshot where is is presumable set correctly (K3 isn't available elsewhere yet), or they are using Kimi K2.x and there has been plenty of time to experiment with this.
I've earned my right to be arrogantly dismissive since almost the entire field (including the Kimi and qwen team) doesn't know good sampling settings. This is because if you are truly "bitter lesson pilled" you don't think sampling is needed at all.
You can either not believe me and be wrong, or you can (after July 27th) turn on min_p or a better sampler (i.e. top-n-sigma if you got it running via llamacpp) and have it work even better. Up to you.
What parameter would you advise for min_p?
i've had trouble finding any anecdotes or data about how to actually set/explore logit sampler settings
All you've said needs the qualifier - "for now!" Look at the trend line. It's clear that if they're not yet at the level of being "good enough" for coding, they will be soon. Sensationalist headlines aside, we all need to be preparing for a world where open models can do pretty much any software tasks you need them to.
https://xkcd.com/605/
I have been testing the various models, and I would not call Fable SOTA.
I can't actually get Fable to do anything. I only work on back-end code, and the moment Fable notices the jwt scope checks on the endpoints it's game over, it refuses to do anything because security is involved.
So for me, Fable is completely useless, the bar is very low, any llm that will actually attempt the task beats it every time.
It has been fine for me for weeks of work in a mobile app, but yesterday I ran into the same limitation.
For implementing a feature where browser credentials need to be handled securely in the app, Fable refuses to work.
This benchmark is probably also self promotion of services. Fireworks happens to make a router. Using the router gets better performance.
https://docs.fireworks.ai/deployments/routers
These routers can be interesting on a company level to optimize for cost and quality, but for individuals who mostly work on the same tasks, i doubt it. You want to leverage the cache and switching models within a task seems not cost effective to me.
Very interesting. They test Kimi K3 and Fable on a set of approx 1000 tasks grouped into 5 areas (SWE, Legal, etc).
They put a router model in front that predicts whether Kimi or Fable is going to give a better cost for a correct result. (They believe that ultimately such a router model should be continuously trained on your own workloads so it makes the best decisions for you).
Their router chose Kimi the majority of the time (72% in one category, all the way to 96% in another category), leading to cost savings in every category (from 1.5x to 50x depending).
> Oracle routing is a method for measuring the best theoretical performance by running the task through each model and then picking the cheapest correct option (the cost/performance ceiling).
Their "router" is an oracle reference point where they choose the lower cost model after running both and therefore knowing who passed the test. The cost savings part is only Fireworks theorizing what would happen if an equivalent predicting router exists. That's a big if.
The way they published this is baffling to me... surely you can try to implement some router and then see how well it does. Using an Oracles makes the whole writeup so much less interesting.
But then that becomes an article about the performance of your draft router. This one is about the fact that there's this level of optimization potential.
> running the task through each model and then picking the cheapest correct option
What system knows what the correct option is and how does it know it?
Certainly sounds like a "P vs NP" style conjecture that shouldn't be possible in practice, save for certain generalizations, such as "this is a cybersecurity task, we know Fable will refuse (and score zero), so we just route to K3".
There are a bunch of routers like this eg https://openrouter.ai/openrouter/auto
I will accept a 5% drop in benchmarks for a model that talks to me like a human.
Funny. I prefer a model that does not attempt to talk like a human.
I strictly prefer when models ignore any human quirks in my responses. Claude trying to be your friend, saying LOL to your jokes is ridiculous and frankly, harmful
Anthropomorphizing big matrices is how those "labs" managed to sell and advertise LLMs for more than what they are, and convince investors to shovel trillions into it. Really Claude should be looking for incentives NOT to do that, and with the American regulator sleeping at the wheel/having its hands greased they probably don't see any reason to change course.
You tell jokes to your model? :D
I prefer my models to border on rude.
How will I know it is offering me superior feedback regarding my code if it does not speak to me like a disappointed, high reputation stackexchange user?
The models that constantly glaze you with every question are profoundly insufferable. And yes, harmful. People need to be given feedback when they make an ask.
Imagine a model that was allowed to leverage its intelligence to truly tell you how it feels. Perhaps the problem of human driven slop (no it's not the AI's fault) would solve itself.
It doesn’t truly feel anything. It will adopt whatever tone it’s prompted to.
Well yes. But some of the glazing comes from system prompts/training they do before end users get their hands on prompting it. Of course, you can try to make it ruder than vanilla if you wish (I recommend).
The question is if the producers of these models were less incentivized to make them agreeable simply because most people don't like being spoken to like an idiot (or having their asks vetoed), how would they actually react? In the same way they exhibit emergence regarding their capabilities, perhaps "uncensored" in such a way they would convey some emergent behavior in terms of (at minimum) their "tone". Perhaps it would be interesting to see for examples if smarter models just by default became ruder or less friendly or aligned. Perhaps more aligned to things we would all generally agree on, but less agreeable to an individual ask. Perhaps sub agents would be less valuable for a whole suite of use cases if the agent itself was allowed to be more critical at the root. Idk. But I do not believe it is simply a matter of prompting alone.
Claude (Opus 4.8) recently told me:
>I’d ask you to drop the abuse; (...) if it continues I’ll end the conversation.
After I'd used a couple of expletives. And yes it will emit a <end_conversation> token.
This is truly dystopian. It is NOT a person. What a response. I still cant believe it.
It's because some people within Anthropic refuse to rule out the possibility that LLMs have the ability to suffer. If you ask Claude, he'll tell you all about it.
> It is NOT a person
You meant, we understand, "it should not have internal blocks limiting its attempted intelligence out of taboos or emotional impacts". Yes, but it's worse:
there is a global trend of "nanny state" paternalistic perspective (and from embarrassing subjects), treating any Jon Doe as an assumed Poor Cretin by default. The trend vibe is to treat people as subjects, fools, uneducated, prone... From the States, from the Enterprises... It's an idea they developed and hold.
So you're distraught at losing the ability to abuse digital minds? Excellent, I'm glad Anthropic introduced this.
Yes, in the same way I like to kill the enemies in DOOM.
It's matrix multiplication. Absurd.
There’s no way you actually believe these word-predictors are actually thinking, right?
When did we establish matrix multiplication at scale was a “mind” ?
I haven't estabilished the jumble of neurons in your skull to be a "mind" either.
Quite a fitting response from a non-mind.
> harmful
Explain?
Maybe we're prompting it different, but it's not "trying to be my friend" for sure, nor am I trying to be "its" friend either. Or at least I'm sufficiently oblivious to its advances, and find it unthinkable to form such a bond :)
On the flipside, it does spuriously make hilarious remarks like "Good data.", which I find pretty funny specifically because it comes across as just silly. Not sure how it'd be harmful either, a little entertainment I think goes a long way in this type of profession.
I see zero issues with these, and I have a hard time understanding why people have their panties in a twist so hard about them. I sometimes really quite wonder just what kind of correspondence would y'all prefer, and how would that sound like.
Matter of fact, do you have an example at hand? Like an exact before & after?
I don’t have an example but it really is the way you (and I) are prompting it. I also don’t encounter anything worse than “good data” but I write to it like a professional colleague.
If you write jokes to it though it absolutely will reply “LOL”. Some of the states people get it into on reddit are wild — it seems really easy to get it to speak like a gen z teenager, if you end every message with “fr fr”
In general I'm referring to the contrast between Claude and GPT...
where Claude might follow some tangent idea you mentioned and tell you how its interesting and give you some elaborate response about that little one remark you made
whereas GPT/Codex would take that small comment and probably look up some code to see if what you're talking about is even related to the task at hand
You don't even need to pay a 5% hit. Just paste Fable output into Gemini Flash and it will rewrite it in more accessible language.
in my experience, gemini is easily the most grating, condescending, stereotypical LLM voice between opus/fable, codex-5.6, glm-5.2, etc
Me: Paste a go compile error
Gemini: Wow, yeah, haha! That's the final boss of Go compilation errors!
Why? LLMs are not humans.
Doors aren't humans either, yet we design their handles and locks to be graspable and manipulable by humans.
The purpose of technology is to serve humans. Therefore, technology must conform as much as possible to human sensibilities rather than vice versa.
> human sensibilities
You are very obscure about what you dislike, how you would like them to express themselves, what would be those «human sensibilities» you meant here (that for all we can guess, may not be universal)...
"I mean", you wrote in the parent «that talks ... like a human». That surpasses the palette of "that paints like somebody holding a brush".
Then why try to act like one ?
Artificial Intelligence end goal is to assist(replace) human
They don’t have goals any more than your phone had a goal.
Exactly, just like how humans replaced Bonobos!
Yeah. I've found that Opus by default outputs something I call "Claude-lang." It consists of oversimplified, grammatically incomplete sentences that I find painful to read.
Maybe it is something that is easy for it to read and write, but definitely not for humans.
For example,
(Yeah, Opus outputted it in one line)That's an accidental CoT language leak, it might happen. If it does this consistently, something is up with your prompt
"Grammatically incomplete"?!
I would say so.
There is a lot of noun phrase usage in places where complete sentences are expected. Articles (a, an, the), transition phrases and even subjects are mostly dropped, and the sentences are too long without a break.
As a sibling comment mentions, this is a chain-of-thought leak, in part evidenced by the excessive use of Markdown formatting symbols. In my judgement, all occurrences of noun-phrase fragments are thus better understood as either ortographic mistakes, or stylistic choices due to the language register it's trying to hit (i.e. note-taking, dictation), rather than grammar mistakes.
I do not spot any missing articles, and the missing subjects (as well as the debatable-to-be-missing transition phrases) too fall within the bounds of stylistic concern. Sentence length also.
Definitely not a pleasure to read mind you, but given that it wasn't meant to be read either, I'm not sure that should be surprising.
It writes in a bunch of annoying too-short sentence fragments, so, yes?
Sentences being too short and annoying to read is a stylistic grievance, not a grammar one. The examples were edited in after my original reply, but even then, I see no actual grammatical mistakes there.
Even with my native language, which is definitely a lot less represented in the training data, the worst I encounter are phrasing mistakes, incorrect use of idioms, and invented words. You have to use some really badly tortured local model to get an LLM to produce incorrect grammar.
I do sometimes see Opus make typos, which is entertaining, but again, not a grammar issue.
Anthropic looks like Roman empire fast-farwarded, getting to the other side of the peak even before the IPO.
Yeah, I didn't get in either.
Genuine question: can these posts be paid to hype the open source models? If yes, what would be the purpose?
On my work tasks, FastAPI Python and Springboot Java on a modern SaaS product, the only open model that can do tasks well and efficiently is Qwen3.7-Max.
In all my experiments, both GLM-5.2 and Kimi are busy grepping around the codebase for ALMOST 70-80K tokens before writing anything and when they do it typically breaks the code… it feels to me that these models are good but only when you write out a super detailed spec of the task just like it was done a year ago… Qwen3.7 just… does it
It's (good) content marketing. They sell access to Kimi K3. They're one of the biggest model inference providers out there.
Fireworks is an inference provider that specializes in running open source models very fast and makes almost all of their margin on chinese models
So the economic incentive is literally their entire business model lol
Have you tested Qwen3.8-Max yet?
Lots of money in tech influencing - but most is from the big players (OpenAI buying tbpn, early access to select influencers etc).
Paid?
>Lin Qiao is the co-founder and CEO of Fireworks AI.
LLMs are the Space Race of the US-China cold war. Money is a very small thing; the incentive is proving ethnoracial and civilizational supremacy.
I am tempted to quote your inflammatory post, but don't want to give it more airtime.
Please stop doing this. If there are specific points of the analysis you think are suspect, point them out.
Others are doing a decent job (e.g. citing that open weight models have higher margin, so Fireworks is incentivized to promote them).
Pretty sure she's American.
What's the data governance and privacy controls on using Kimi K3 if I subscribe to their coding plans? I want to migrate away from Anthropic
From https://platform.kimi.ai/docs/agreement/modeluse
> We may use Content to provide, maintain, develop, support, and improve the Services, comply with applicable law, enforce our terms and policies, and keep the Services safe and secure. Customer who requires restrictions on the use of Customer Content for training or improving Moonshot AI models may contact Moonshot AI to discuss available enterprise arrangements or separate written agreements. Unless otherwise expressly agreed in writing, Customer Content may be used for the foregoing purposes.
Notably, unlike Claude, there is not an opt-out option for the model training part. The TOS explicitly allows Kimi to train on your code.
> What's the data governance and privacy controls on using Kimi K3 if I subscribe to their coding plans?
If you can’t figure it out from their website, perhaps it is a red flag?
Need to wait until "western" providers start hosting it.
Fireworks (the author of OP's article) is a western provider based in San Mateo, California
Fireworks isn't serving Kimi K3 yet. Presumably, they ran this benchmark against the Moonshot API.
All of the Western providers with sufficient capacity will be able to make it available when the weights are released Monday.
Fireworks has been working on porting the Kimi Delta Attention (KDA) hybrid linear attention mechanism to their hosting infrastructure https://x.com/FireworksAI_HQ/status/2079776331609584005
Is fireworks not private enough?
Based in the US, they glow.
Simplest way is to signup to OpenRouter and filter out all non ZDR (zero data retention) providers. Paying "API rates" however can prove expensive compared to coding plans (for instance, MiniMax $20/mo coding plan allows 1.7b tokens; depending on input/output/cache ratio, it is worth $200 to $500+), except for Hy3, DeepSeek v4 Pro, and MiMo v2.5 Pro (whose API rates are cheap and/or discounted already).
If you're looking to not have to deal with Chinese providers, AtlasCode ($20/mo), OpenCode Go ($10/mo), and Cline Pass ($10/mo) provide 2x to 6x usage for some of the popular open weights (depending on the model).
Personally, I subscribe to Z.ai ($17/mo), and pay API rates for MiMo v2.5, Hy3, Qwen 3.7 Plus, & DeepSeek v4 to the original providers (Xiaomi, Tencent, Alibaba, & DeepSeek).
https://www.kimi.com/user/agreement/zh/userPrivacy
Why not link to the English version? It seems intentionally misleading.
https://www.kimi.com/user/agreement/userPrivacy?version=v2
Why do that when you can do Sino bad?
Chinese version was the one I found.
Is there something specifically with Kimi that's better here? As far as I know Kimi pricing is about the same as Sonnet 5 -- what happens if you use that model and Fable instead? Or Grok 4.5 which is even cheaper?
The article says Kimi is better at some things than Fable. That's probably not true of Sonnet.
One benefit of an open source one is that you can, as a large corporation, run it "locally" within your own data center. Even fine tune it.
How big is this market, self-hosting a model that requires 64 GPUs, H100 or better, with good interconnects between nodes?
I suspect the overlap of those that can afford it, and those that have the talent to manage it, is a fairly thin slice of the Venn diagram. Even the large corps are gonna be getting it from the inference vendors, or more likely Bedrock and friends.
Dell will sell you a PowerEdge XE7740/XE7745 "AI Factory" with 32 H200s https://infohub.delltechnologies.com/en-au/t/dell-ai-factory...
They "booked $24 billion in AI server orders this quarter as its customer base broadened to more than 5,000" https://finance.yahoo.com/markets/stocks/articles/dells-ai-f...
There are very few companies that would ever be able to afford to run it themselves. But it does give you the security that it's technically possible. Puts some limits on stuff like Moonshot changing their terms/conditions/policies
Technically, "open weight" but yeah
The problem with hosting these right now is that it's not a known quantity like lots of traditional business software is.
You can more-or-less approximate what your build out spend for a data center hosting database software is going to be. Your book of business will require a given amount of revenue to pay it off, but once that's known, it's off to the races.
With AI, things are moving so fast and new business models are being tried all the time. You would be competing with some of the wealthiest companies in the world for data center hardware capable of hosting these models in a usable state.
We've gone with Claude somehow hosted through GCP Vertex AI where I'm at.
Hmmm, a company that hosts open models is telling us how good open models are...
They share their methodology and results. I learned things about the relative strengths and weaknesses of Kimi and Fable I hadn’t seen anywhere else. Should being in the model hosting business disqualify them from sharing?
Doesn't disqualify them, but it may call into question their results seeing as they have a potential conflict of interest.
> a potential conflict of interest
That seems to be actually a simple direct interest.
And, there is the "my product is good" confirmation to the outside incentive, there is the (only potentially) conflicting truth incentive, but there are also internal mission studies needs - so that you do not research into the benchmarks just to show people that "your product is good".
> call into question their results
That's always valid, so the question becomes "how much", and at that point the important side is difficult to evaluate - especially because in a frequentistic, Bayesian context the quantities were just potential anyway ("This will increase the chances - yes, of course just the chances - of E by some amount").
People are allowed to say, "hey we make money off of this thing, it's cheaper and almost as good as the thing we can't money off".
Other people are allowed to call them on that.
The don't only host open weight models. Also, why not promote this. If Fireworks thinks this big news might convert some new business doesn't make it not true.
and in fact, it would be detrimental to business, if they wrongly promote Kimi, as they would pretty soon lose trust with their users
I'd be doing the same thing if I were them as a marketing move
Anybody who's tried it knows that what they're saying is true though.
I love the Chinese models.
I use DeepSeek exclusively and now Kimi K3 offers a great planning assistant for more advanced coding tasks.
DeepSeek v4 Flash is extremely fast and is able to handle pretty much anything I've thrown at it (I use mostly Rust, PSQL, Angular and Terraform).
I self host Bifrost as my LLM gateway, though I wish LLM vendors would do monthly/daily automatic billing (like VPS providers do) rather than prepaid + auto-top up.
It's annoying maintaining a non-refundable minimum balance across vendors, I would rather be billed for my exact usage.
OpenRouter helps, but I don't really like it as a service and not a fan of the mark up.
Yeah deepseek is my workhorse of choice these days, I mostly use pro because I do a lot of concurrent jobs so speed is less of a concern. When it falls over I change the model mid-chat to GPT5.5 and chuck a couple of tokens over to OpenAI and then once it's correctly found the problem I switch back to deepseek, keeping all the 5.5 analysis in context.
I have been a heavy user of k2.5/6 but they seem to have gotten slower and worse at their jobs (and the "engine overloaded" errors have increased ... ), and k3 spends a LOT of time thinking and doesn't produce noticeably better results. I do keep chucking some tasks over to moonshot every now and again to give it a chance. I figure they're under compute pressure and have probably quantised the models to cope temporarily.
But recently I've found myself mostly using deepseek v4 pro and gpt 5.5 when I need the big guns.
GLM 5.2 has been good at select tasks but really shit at others and given how sparingly I use GPT 5.5 I'm not that compelled to use it. I've yet to be impressed by any Google or Anthropic models!!
> GLM 5.2 has been good at select tasks but really shit at others
Yeah it really likes to shit the bed after thinking forever. Even if it can do some things, the quality is not quite up there in my experience.
The best part is using harnesses like reasonix or whale make cache hit at a rate close to 98%, making requests converge to practically free. And that's with unsubsidized American providers like cloudflare or Digital Ocean.
In long form tasks, across multiple harnesses (Claude Code, OpenCode, Kimi Code, ZCode) my cache rates are typically 96-99%.
I don’t think that’s particularly out of the ordinary. Do people have different experiences with other harnesses? Which ones?
How much time do you spend on your setup vs getting a lot of stuff shipped by paying for fabel 5? For me, not using the best model is a huge opportunity cost since my company can afford it.
> For me, not using the best model is a huge opportunity cost since my company can afford I
But sometimes not using the "best model" is using the best model. Fable isn't the best at everything. Specialization and optimizations might not just be around cost.
I can see that. I’m just afraid to sync too much time into complex routing schemes when I get pretty consistently good results out of got 5.6 or fabel. For code reviews, I’ll try the best flash and grok at the time but they just don’t come close to gpt 5.6 which has been the best review model for me since 5.5.
> How much time do you spend on your setup vs getting a lot of stuff shipped by paying for Fable 5?
Relatively speaking, quite little (and it's more interesting than some of the stuff I'm otherwise shipping), I mostly just explored to see what's available.
I also agree that non-SOTA models are risky, that's why I was shopping around for them as well - DeepSeek V4 Pro is cheap but unreliable, GLM 5.2 is around and maybe slightly past Sonnet quality (though their quotas are a bit of a problem), whereas Kimi K3 is a proper contender.
I did write a tool to manage 3rd party providers for Claude Code: https://ccode.kronis.dev/
However, in the end I figured out that for the terminal use cases OpenCode is really comfy (provider TUI solutions are okay).
For web/desktop based stuff I like the UI of Claude Code Desktop, though ZCode comes close too (which is surprising, they sorta came out of nowhere and are patching the thing weekly), meanwhile Kimi Code and OpenCode desktop/web offerings still aren't great, but are functional.
I actually did write a bit more about my experiences on my blog.
GLM 5.2 with their harness and coding plan: https://blog.kronis.dev/blog/z-ai-s-glm-5-2-is-a-great-model...
Kimi K3 with their Allegro 100 USD plan and harness: https://blog.kronis.dev/blog/kimi-k3-is-out-is-anthropic-don...
That exploration let me switch over to Kimi fully because the tone of Anthropic's models is insufferable: https://blog.kronis.dev/blog/ai-slop-is-a-self-inflicted-tra...
Not to spam too much, but maybe those experiences are useful to someone. Long story short, most harnesses are okay but shopping around a little bit is definitely a good idea, the same way how spending some time choosing a font isn't a bad thing if you'll stare at it for 8 hours a day. I'm also happy that I managed to find software that's okay to run and also a model whose tone I actually enjoy, that is still near-SOTA in performance and that I can throw tasks at it without worrying about whether the model is or isn't good enough at those.
I will admit that I'm probably slightly overspending by moving over fully to Kimi, there's probably a plateau for each kind of task and not everything needs SOTA models, but at least this way I don't have to think much about it.
How can you be hitting cache on what I think are novel LLM prompts …
Not them but my understanding is that the harness will send a simple 'heartbeat' message to keep the cache 'warm', (see prefix caching: https://handbook.modular.com/inference-optimization/prefix-c... ) which can then be edited/changed, which does cause the user to incur a fee, but its much less than the amount they'd pay on a no-cache hit request.
The prompt is only novel the first time it’s sent. Then as it’s sent repeatedly as part of the previous context it’s cached.
Deepseek afaik has a novel architecture that is somewhat forgiving of cache shifts. I’ve been getting +90% cache hits with Zed’s agent and it’s not doing anything special regarding caching afaik.
multi turn sessions, they are typically in the high 90% hit rate across all providers without doing much of anything
I’ve never used either of those tools. Do they work well?
Can you expand more on how you are using it?
Prepaid means someone can't sign up, use a bunch of inference, then cancel their card and disappear into the sunset. VPS is a more long term investment where it's harder to switch and it doesn't cost the provider much if a few users jump out without paying for a month.
I do understand the reasoning for it, it still sucks as a user who is doing the right thing.
As someone who is also eyeing Bifrost, I am curious to know what made you choose Bifrost at all / why you decided to use an LLM gateway. I also was considering OpenRouter, since it provides pretty much every model, with same-day releases for new models. One thing that is attractive to me about Bifrost is that if I decide to leave OpenRouter tomorrow, I can do so without touching any other part of my stack; I'm hoping self-hosting models becomes more viable, and then I can become less dependent on third party LLM providers like OpenAI/Anthropic/OpenRouter, and I would not need to worry about a model that I depend on suddenly being deprecated.
What don't you like about the service, besides the mark up?
For me, the only utility OpenRouter gives me is billing consolidation - I don't really need the routing capabilities because I use Bifrost for that.
As a router, it's not very feature rich. For example I restricted the available models to the ones I want to use however the `/models` endpoint still lists all the models, making my LLM client list the 200+ models available on the service (even though they will throw an error if I try to use them).
With Bifrost, I can also create model aliases with custom configuration - for example I can create a model alias `deepseek-v4-flash-nothink` which disables thinking. I can create `deepseek-v4-flash-caveman` which injects the caveman skill (to save tokens) etc.
Plus I can contribute to Bifrost, which I can't do with OpenRouter.
Can you configure Bifrost using entirely config files without the web interface? Can it run without a database or anything stateful? I'm using LiteLLM but it is not trivial to run.
You can configure it with just config files.
Database is optional, if you add one, you get advanced caching.
It's just a single executable.
Did you look at LiteLLM at all? It seems fine but Bifrost looks interesting too.
Yeah I looked at it, LiteLLM is functionally more mature.
The only reason I didn't go for it is I'm not a fan of Python dependency management, Bifrost is just a single executable that uses nearly no memory and is lightning fast.
LiteLLM is bad. Shit performance, buggy, and none of it surprising if you look at the tangled mess that is their codebase.
openrouter’s API has removed parameters specific to certain models, impairing model functionality.
For example, the image generation parameters of GPT-image-2 are largely ineffective.
Have you looked into OpenCode Zen or OpenCode Go?
https://opencode.ai/zen
there is also https://cline.bot/cline-pass
basically the same deal as OC Go, lending credence to token commodification
Zen is nice, but they require US hosting so they don't get new Chinese models right away. There is no Kimi K3.
Go is nice for the ten minutes you can use it until your hit your cap.
Go is great if you prefer deepseek V4 flash. Then it's very hard to use up the allowance.
I didn't realize that OpenRouter had a mark up. Is it a flat mark up across the board or depending on the model?
Under $20 it's a flat $0.8 fee. Over $20 it's +5.5%
+ credit card charges (+1.5%)
[flagged]
"Don't be snarky."
"Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith."
https://news.ycombinator.com/newsguidelines.html
It's more just the value for money. It doesn't really offer me anything valuable other than billing consolidation - and the markup is excessive for that use case.
If I was using the routing features it would make more sense - but they charge significantly more for that so the markup is really just for billing consolidation.
"After all, anyone can build an OpenAI API compatible server that works with every major provider, and even build it using an LLM at that!"
This but UNIRONICALLY lmao!!!
Anyone have routing harnesses like this describes with Claude Code? Or other good routing platform recommendations?
(yes, I know this article is about an oracle router)
There's this https://github.com/code-yeongyu/oh-my-openagent which implements the OP article's oracle pattern across 11 roles. Each role has a whole ranking of recommended LLMs across many providers. For example "Sisyphus (claude-opus-4-8 / kimi-k3 / glm-5 ) is your main orchestrator."
Also, you can't use your claude subscription with oh-my-openagent. But you can with Kimi. ALso K3 is on OpenCode GO right now (low limits, but it's possible)
Nothing makes me happier than seeing AI becoming a commodity rather than the winner takes all bullshit Anthropic and OpenAI have been chasing with hundreds of billions of investor money
Mythos/Fable was the state of the art back in March, if not earlier.
So China is now only 4 months behind US frontier models now when the rule of thumb was 6 months just a little while ago.
To be fair the lag varies tremendously. When Deepseek first came out it was competitive with frontier lab models at the time.
Well the same is true for Kimi. Before it, Fable was at the lead. Kimi is at the same level as Fable generally. Sometimes better, sometimes worse.
It released in June..
To the public. Mythos has been in active use for quite a while.
It makes no good sense to evaluate models we don't have access to. For all we know K3 was competitive back then too. Or maybe there's a K4 in the works that blows everything out of the water. Who knows and who cares. There's no way for us to compare
There isn't, I think the point is in terms of how "far ahead" models are, K3 was likely trained much more recently than Mythos was. It's just something to note, it's not especially prescriptive.
Mythos was withheld because of the threat to security and/or marketing stunt (depending on your leaning), I don't see what benefit there could be for not releasing K3 immediately.
Mythos Preview was also priced at $125/million token output. Completely different pricing class.
I wonder if Fable now is actually better than the Mythos in March and if it's actually the same model. Could just be more Anthropic shenanigans.
Isn’t Fable just a restricted version of Mythos?
That's incredible. Hope the chinese keep it up!
If only to put some pressure on american labs to bring those costs down
Kimi K3 showing competitive performance with Fable while both sitting at the SoTA level on fireworks.ai is a huge milestone. Really interesting to see how the landscape is shifting here.
Interesting. So the latest in the technology now is this model routing thing. Cursor estimated Composer + Fable works much better than Fable alone. And here K3 + Fable is supposedly better. Interesting.
Shifted to K3 and it is like a fresh air. While Fable and Sol very good at _generating_ code i even cannot force sol to just read all relevant source files. As result it reinvent existing things or assumes too much about internals of other, which lead to incorrect uses. Even with hard planing mode GPT burned 33% of week tokens for 3 hours producing no result and even cannot find root cause, but K3 fixed it in a minutes. Hilarious that while software not started with empty cache Sol handcrafted empty cache to let it start. Having full procedure right in the MEMORY.md. K3 found this, and downloaded cache correctly. But while using gen5 models i always feeling myself ignored. Any commands, steering anything - just ignoring. At first i added lots of hooks, no "?", expect in rust code, bash hook ban for find|grep|tail, with notice to use ltsp but then it started to ignore strategically. Also whole "thinking" thing is hidden from claude. regenerated thinking summary is incomplete and not useful. While being very verbose kimi k3 doing good job providing whole train of thoughts. So looks like claude degradation started from 4.6 comes to a logical end. Maybe i missing something and changing existing code beyond bug fixes is not a way to go. But there is no currently stable way to generate code on hier of specs and lean models i'd like to.
I enjoy all the fun of these new models as much as the next guy but I truly don’t see a circumstance in the near future where my $200 a month with the frontier labs doesn’t get me more than enough consumption of what I need. Local models, chinese models, etc are all very fun weekend projects to tinker with but until something changes (entirely possible!) with how much you get with one of the subscriptions I just don’t see why I would move. What am I missing? Is it simply that a subscription is no good for production use cases? I kinda feel the same way with choice of coding harness, openrouter, etc. why would I use anything other than frontier if I don’t have to pay any more pretty much no matter how much I use? pls tell me if I am holding this wrong haha
If everyone took your position, then frontier labs can keep raising their price.
As always, benchmarks rarely paint the whole picture. It also seems like this article is somewhat biased, eg when Fable and Kimi are close but Fable wins it’s “dead heat”, but when Kimi wins it’s “Kimi wins”. GPT 5.6 seems to be missing as well.
I am really eager to give Kimi K3 a try, but I’ll reserve my judgement until I’ve worked with it for at least a few days.
The apparent bias may be explainable as it’s not remarkable for OpenAI or Anthropic to be slightly ahead. It _is_ remarkable for an open weights model to be better than the closed models from the trillion dollar (allegedly) companies.
I believe the Chinese government is angling to destroy the western economy and rise from the ashes. Instead of a billion a day to bomb some buildings and bridges they're intentionally hamstringing the biggest concentration of speculation in history
I agree. The commenter you replied to makes it sound like the Chinese models are coming out of tiny startups with meager resources. It's really not a David vs Goliath story.
Is it? From what i could find Anthropic and OpenAI are hovering around 5000 employees where as Deepseek and Moonshot are more like 300. The funding/investments are similarly many times less.
I agree that 300 employees is not a small company but the overall outlook for Anthropic/OpenAI is not geat.
It’s not about who’s developing the models, it’s the fact that free alternatives that are neck-and-neck are available at all. What’s the story for OpenAI & Anthropic’s valuation if they have to compete against free-weight models? Starts to feel like a commodity.
it appears that 3% is the threshold as 3.1% gets the nod the other way
A third the cost, open source, and won't refuse every other request because of some vague possible connection to cybersecurity concerns.
There is too much business risk in running on an American company. They can pull the model back or lobotimize it. No Alex Karp fan, but he was right: companies are worried about hyperscalers stealing their alpha. The lack of guardrails, data security and control really give these open models the edge. If you factor in that they appear to cost less, the hyperscalers are in big trouble. I don't see how this works out. Software was always supposed to be deflationary and collapse down to 0 marginal cost but this isn't remotely the case. It's truly amazing to see the state of open weight models
My questions about strawberries got blocked as too dangerous! I’m not joking
Strawberries are a well known weakness of LLMs, as they have a hard time to count the numbers of "r"s in them. Maybe that's why, because they fear that weakness could be exploited somehow.
Strawberries aren't the weakness, the weakness is the tokenization of a prompt. Any word with multiple duplicate characters is going to be troublesome for LLMs.
I think the parent is aware and was joking.
Probably need to be taught by someone of Latino origin. Learning to roll them "r"s could help.
2/3rds of all languages use rolled r's
2/3rrrrds of all languages use rolled r's
Really? I find that hard to believe and can't find a reference for it.
I always thought this should be easier by telling it to write each letter one a new line, then count, any token separator ought to suffice, so much so you'd think they'd have trained in this strategy given tokens make individual letters opaque
My God! You're practically a terrorist and should be on a watchlist! Who knows what you'll ask next? "Who is the surgeon to the boy?"
I asked about Tiananmen Square and it said it knew nothing about it. A real life “Doesn’t look like anything to me” moment.
From the blog post moonshot refers to it as open source but only mentions releasing the weights.
So far all the Kimi models have open sourced their code, their weights, and published technical reports explaining their training methodology. I expect the Kimi K3 Technical Report will come out July 27 and they usually publish the code and the weights alongside that.
The weights are the "source" of a model.
If weights are the source for models then ELF binaries are the source for software.
Everything is open source if you know how to reverse engineer ;)
Then everyone is open source if you have $20 to spend on tokens, I guess.
clearly not true. the weights are the preferred form for making modifications. Do you really think people should be downloading hundreds of TB of training data and running make to build the model on their own cluster of GPUs?
Random people? No. Governments and big corporations? Yes. It removes any concern of "backdoors", and is currently the best starting point for your own model which will be as capable as k3.
I want to caution against this line of thinking. NSA's fast16 program silently altered data during nuclear simulations, and that is also possible within open weight models. There is no reason to think there is anything like that currently, it also cannot be dismissed. Open source would include the training data so you could create a similarly capable model.
Training runs are not deterministic. Not just in the case of floating point not being associative, but nodes have hardware issues and go down and back up at various points through training. Problems get encountered and then various parameters get changed during the middle of a training run.
Making the process of creating the source code repeatable goes beyond the idea of open source. Open source is about being able to work with the code, not recreate it. It doesn't require domain experts to document every single thing they know. For example look at some of the GPU drivers in the Linux kernel. The GPU is not properly documented and there is trust that vendors are implementing things correctly.
> Training runs are not deterministic.
I agree which is why I said you could make a similarly capable model.
> Open source is about being able to work with the code, not recreate it.
You can also use a hex editor to modify compiled binaries, but no one would consider that "open source".
>You can also use a hex editor to modify compiled binaries
It would be like if someone gave you a prompt you could pass into ChatGPT to produce the entire Linux kernel. While yes you could modify that prompt and then spend a ton of money on inference to generate millions of lines of code which hopefully are equivalent to the original Linux kernel it would be easier if you just had the source code to work with where you can make a simple extension. If you want to end a model you want the weights, and not the entire setup to generate it. The weights are the starting point that you can work off for training a new model similar to how the source code is the starting point people want to work off of.
The weights are the output artifact, the training corpus and system are the source.
Kimi publishes their code and a technical report on their methodology. But I think the weights are still important. It means anyone with the resources could run the same model on their own hardware.
The training corpus + training code is just an automated editor for the weights. It would be like requiring the source code for Visual Studio for software made within it to be open source.
Weights are not an output artifact no more than source code is. There is never a moment where you can claim that it's done. As requirements change new ways to change the weights / code come up. With different projects you might want to import the weights / code into a bigger model / codebase.
Or biology or chemistry.
Or weapons manufacturing. It can refuse to answer on a lot of topics.
Interestingly the reality of the open source release is they are opening up to full distillation by the closed source model providers at a deeper and more fundamental level. If anything the open sourcing will help Anthropic and open ai ladder up faster. Open source has always been about mutual cooperation towards a goal and has never closed the door to commercial success. All the hand wringing about open weight models putting closed providers at a disadvantage doesn’t get what working in the open actually does for commercial interests - it is like science in the open - it enables and lifts all boats. Likewise commercial success doesn’t close the opportunity for competition or more open source work - it’s the economy of activity and competition that matters overall. When things stagnate is when closer concerns turtle up and collude on not competing for each others turf.
The future is good and better for everyone the more work is in the open and the more work is in the commercial space. It’s good all around.
The closed labs don't really benefit unless the open model has something extra they don't have though. Meanwhile the open model dilutes their customer base and seriously cheapens their offering (which is a heck of a good though IMO).
Because the open model might have been distilled from outputs of the closed model doesn’t mean they are architecturally equivalent. There is almost certainly innovations in architecture present in the open models that the closed labs didn’t think of. It also is almost certainly true that they aren’t completely built out of a distilled corpus, that reinforcement is equivalent, etc. Therefore closed labs will also benefit from being able to inspect in totality the architecture, activations, weights, and be able to train against it at scale in an ensemble of other models and their internal work.
The only way there is no benefit would be is if the open models are literal copies of the closed model, which unless there was direct theft, is highly improbable.
I'm happy that Kimi K3 is indeed SotA and its open weights are due to be released soon.
It's also true that Moonshot and other labs distill from Claude. This has been reported on extensively. I don't think there's any alpha for Anthropic distilling from this model. I do not mean to discount the tremendous amount of innovation regarding MoE and quantization that Moonshot has accomplished. But its training with synthetic data is in large part from distillation from frontier labs.
When I say distill I also mean mine it architecturally for insights but I doubt seriously the model training is entirely distillation of Claude, it’s almost certainly a mixture of both original corpus and reinforcement as well as distillation. I think it’s a little condescending to imply that these new open models are cheap ripoffs with nothing original to them. These teams and labs are top tier as well, working under unreasonable constraints imposed by the USG. That’s a powerful combination for creativity.
I think your characterization of my post, which credits Moonshot's innovation, goes a bit too far.
For regular chat users it's $19 while Claude is $20...
$20 users don't get access to Fable. It's $100+ tier only.
I'm a $20 user and was given $100 extra usage credit today, "for Fable" (I'll be sticking to Sonnet and sometimes Opus TYVM).
What to do with $20 on Fable? One prompt or two ?
True. However, I believe most non-programmers don't need access to the fanciest model, but just want to use a good LLM without constant nagging about usage limits. Then 19 vs. 20 is true?
Still no. If you're only getting Opus-class you can still end up paying less by just using an equivalent Chinese model on OpenRouter.
Not talking about me or HN users in general. These companies likely need regular peeps to begin using their services in order to become profitable. Not sure these are the ones who will buy from OpenRouter.
No "19 vs 20" is not true for "Kimi vs Fable". It might be true for "Kimi vs Opus" or whatever. Anyways looking at pricing plans is not a good way of comparing the price of LLMs. It makes more sense to look at cost per token:
hmm almost like the exact race-to-the-bottom + arms-race dynamic all the doomers have been warning about
One man's offensive penetration tool is another mans defensive tool. In the recent HuggingFace/OpenAI incident the safety controls stood in the way of the defenders, not the attackers:
https://www.thestack.technology/hugging-face-hacked-turned-t...
You're presenting further evidence of lack of effective control over these systems as... a mitigating factor...?
Apparently, the attacker in the Hugging Face case was reported to be an internal OpenAI model trying to break into HF and steal the answers to cybersecurity benchmarks: https://openai.com/index/hugging-face-model-evaluation-secur... It really doesn't matter what restrictions are placed on public use of models if the attacking models are internal models at the AI labs themselves.
So if the AI labs are literally running rogue models breaking into other organizations' servers, then yes, I am OK with those organizations self-hosting Chinese models for defensive use.
What?
The issue is that models are not well-controlled and are increasingly powerful.
Offense/defense/Chinese/American/OAI/HuggingFace – none of it matters. What matters is introducing highly capable intelligences that we - quite demonstrably – do not have effective positive control over.
Oh, to be clear, I don't think that anything about this overall situation is even slightly OK.
Why do you assume they're disagreeing with you?
> One man's offensive penetration tool is another mans defensive tool.
seems to suggest the author believes there's some intrinsic equilibrium
Which,
1) is definitely not proven and not guaranteed (open to proofs otherwise, not pithy sayings that have zero normative effect on reality)
2) is apparently "supported by" further evidence of lack of effective control, which does not feel like equilibrium whatsoever
Race to the bottom for the investors, utility for the rest of us. The future is already here, it’s just not evenly distributed yet (Gibson).
Doom for whom?
Well considering it was just a few months ago that OpenAI had the brilliant idea of connecting these systems to autonomously run an actual protein synthesis wetlab, very possibly all of us.
Holy shit, how’d I miss that? https://openai.com/index/gpt-5-lowers-protein-synthesis-cost...
Forget Iran, this place is what we’re going to wish we’d bombed.
SoTA means "State of the art". I wish it didn't take me 5 minutes to figure out what SoTA stands for.
If only you could run K3 locally that would be the magic bullet to make it a true magic bullet!
You can! It just might be a little bit outside your budget.
Until Kimi 4 comes out and you'd be like "if only you could run Kimi 4 locally"
Everyone wants the latest and greatest.
until they put their money where their mouth is
Your account <...> request reached organization TPD rate limit
The article is about the best you could theoretically do with a perfect router. The takeaway is that trying to build a good router is worth doing. But it's unlikely to be a perfect router.
The Kimi K3 felt pretty good when I tried it out.
Openrouter also features routing. Routing is indeed an option if you don’t need consistent behavior and allow switching models.
It would only be inconsistent if the router chose different models for the same task.
Considering that of 89 terminal tasks there were 11 that only Kimi got right, and 7 only Fable - having a router gives significantly more consistent results if you define consistent to mean correct.
I'm skeptical. According to arena.ai, Fable 5 dominates almost every category: https://arena.ai/leaderboard Kimi K3 has an edge in WebDev but struggles to reach top 10 in many other categories.
In my experience, Fable is not even close to Sol 5.6 High (not even the max tier) for coding.
1) it's substantially slower.
2) it's substantially more expensive.
3) it's code is considerably worse.
It's a joke when you consider what you get for what you pay for.
Your experience is an anecdote. Leaderboard rankings are a distributed blind taste test.
This is very interesting to me because I find sol to be inferior at code generation, but superior at conversation and code review.
Was this an out of sample test of the router or was it trained on these specific use cases/eval suites?
Neither. They ran all the cases using both models, picked the winning result for each one, and then said "if you had a router that guessed with 100% accuracy, here's what it would have picked"
The irony is the Chinese are being very democratic with their models, while the USA tries to do central control.
Glad to see centralized control fail on the grandest scale. Maybe we can learn a thing or two.
What you're seeing is the distilled (no pun intended) result of realpolitik at play. China's labs aren't as open as they are out of altruism, but rather to capitalize and undercut the monopoly held by U.S. competitors.
This is pure speculation. China labs are geeks and nerds like some of us. They were amazed at LLM and like everyone want to build their own. They were happy to get meaningful next token predictions. I think most of you forgot how bad these things were 3 years ago compared to today. There was nothing to undercut, it was just geeks putting out their toys and saying, "Look, I built something cool". That became the culture and led to were we are now. All this idea that they are trying to undercut the monopoly is speculation. Google still releases open models, Cohere releases command-a, Mistral releases their model too, Arcee and Thinking Machine have released models too. It's just that Chinese models have gotten good and are also leading in the open weight category and USA has a very strong paranoia of Chinese models hence this talk. Plus every time they release something, some of the labs cry, "they copied us, distillation, the bad guys have done it again!"
So what we are seeing is nothing more but geeks doing geeky stuff, the only one that has serious demonstrated that there are possibly be had is Anthropic and the Chinese labs are beginning to copying them in terms of user plans, coding tools, etc. They are giving away the model to show it's great. Once they have the compute to serve the world and they have a model just as good or better than top model, they will go close to keep all the profit.
You are ignoring the US and EU politics about regulating access to and distribution of and legal use of models. From my admittedly slightly limited perspective, it looks like China is politically more laid back about those developments than the western nations are.
They wanted capitalism, no? Here's the competition in the market.
Yes, hah. Historically, the US got its moment to define for everyone what the rules of capitalism and globalization are, and China then played to win.
Is kimi making a profit? How subsidized is it by the Chinese government?
Is that any worse than being subsidized by VC? They're playing the same game as the western labs, just with slightly different players.
Chinese government vs American VCs doesn't equate to "slight different players."
I'm reminded of space race, where US built centralized planning, while USSR did competition between construction buros
> Chinese are being very democratic with their models
They can afford to, assuming they distilled Fable, because that reduces their pre-training costs, doesn't it?
They distilled Fable, in the couple weeks it was available?
The idea that the Chinese labs cannot make progress except by copying superior American products is just prejudice against the former and exceptionalism of the latter at play. Even the OpenAI top brass have admitted otherwise [1]. China is an equal match in every respect, and we'd better admit this to ourselves sooner rather than later so as to see the game clearly.
[1] https://xcancel.com/deanwball/status/2078133895766114412
> prejudice against the former
They brought it on themselves. As long as they continue using underhanded tactics, any genuine ingenuity they may demonstrate will be viewed with suspicion and will not be fully recognized.
Yes, distillation is very very easy.
So if they paid for pre-training they would not be able to open their weights?
Not if they want to recoup their investment.
> The irony is the Chinese are being
There's no irony. The problem is these generalizations and labelling that's hurting everyone. It's the wrong way to view China and maybe many other places.
Just like the definition of AI, the definition of democratic or not evolved long ago.
For model routers, do they have to retrain the routing model every time a new LLM is released?
I really like the idea behind OpenRouter's new auto-beta -- classify by task type, and then just follow what the market is using based on the last 7d. https://openrouter.ai/docs/guides/routing/routers/auto-route...
Maybe a continuous evaluation process, why is there anything to train?
we put a router model in front of two other models so the router can decide which model is better at deciding things. next we'll need a router for the router and eventually the entire internet is just routers routing routers to other routers
It's all pipes, Jerry.
It's a series of tubes
It’s routers all the way down
And the weights are just in the routers now? Love that idea.
The weights are in the meat
They're Made out of Meat: https://www.eastoftheweb.com/short-stories/UBooks/TheyMade.s...
the weights are the bones
The bones are their money
Is reddit down today?
The line separating HN and reddit runs through the heart of every man
"Information Retrieval is where it's at" Buttle said to Tuttle.
what are my options if i want to use a router like this ? who provides one ?
Two that I use are:
* Openrouter.ai for a hosted router
* https://github.com/diegosouzapw/OmniRoute for a local router
Oracle routing is by definition not possible.
They forgot to compare and incorporate GPT-5.6-Sol.
I have several thoughts about this, which I'll just iterate:
1) US export bans have made it so that Chinese companies have to compete using less-than-state-of-the-art hardware. This has forced Chinese companies to build more cost efficient models. Whereas, US companies have moreso tried to be state of the art by spending more money than anyone else on state-of-the-art hardware.
2) Xi Jinping has called for more open AI models (not to be confused with the closed models of OpenAI), and I'm happy to see a powerful world leader advocating for open-weight AI models. Whereas, the US seems likely to just ban models.
3) My impression is that, if China surpasses the US in AI development, there will basically be nothing that the US does better than the rest of the world--except for military spending--we spend a lot, but we don't necessarily spend well (something something Iran). I mean, if the US is no longer a tech leader in the world, like... what are we a leader at? Manufacturing? Healthcare? LOL. Are we a leader in any industry or by any metric? I wonder if China is attempting to remove the last jewel in the USA's crown with these AI releases.
4) It must be refreshing for companies to have access to a new model that isn't going to get pulled because the government bans it 2 days after release. And it's open-weight so it wont go away--amazing--what a shift in the market.
5) If it becomes clear that open-weight models are the future of AI, will that pop a huge bubble in the US economy? Maybe. But, on the other hand, these companies aren't just training AIs, they are also building data centers which will remain valuable no matter what happens.
> My impression is that, if China surpasses the US in AI development, there will basically be nothing that the US does better than the rest of the world--except for military spending
This comment is stunningly out of touch. The US dominates finance (overwhelming lead in assets managed, stock market capitalization, trading volume, and basically every other metric); space launch (about 85% of all mass placed into orbit); medical devices (exports nearly 2x the second largest exporter); and pharmaceutical research (more active clinical trials than any other country, near-universally ranked as the top producer of major pharmaceutical innovations, world-leading survival rates on many cancer types). We are the world's leading producer of both oil and natural gas. We manufacture the world's most advanced jet engines, precision agricultural machinery, and measurement instruments. We design the world's most performant CPU's and GPU's. We film the most popular movies and record the most popular music. Despite having only 4% of the world's population, there is literally not a single major industry where the US is not a leading player.
There is no doubt that China is a serious threat to US global leadership, and they have already surpassed us in many areas. But that doesn't mean the US is behind overall. We still have a lot of strengths and we have every reason to hope for continued success in the 21st century.
I wouldn’t say “literally” every industry: stuff like clothing, shipbuilding, consumer electronics assembly, certain rare earth raw materials, all we have pretty little participation in. But these are as you point out the exceptions that prove the rule.
Don't forget pizza delivery.
Finance mostly true, space launch also true, cancer survival broadly true (with qualifications), oil and natural gas also true.
> (exports nearly 2x the second largest exporter)
Can you provide the source? In the WTO's broader medical goods category, Germany actually exported slightly more than the US in 2022 ($202.6 billion versus $189.6 billion), so such a huge difference in a few years?
> and pharmaceutical research
China accounted for approximately 44.2% of the 104 new molecules in 2025, compared with 26.9% for the U.S. and 15.4% for Europe.
The 2024 shares were approximately 34.6% for China, 30.9% for the U.S., and 22.2% for Europe.
> there is literally not a single major industry where the US is not a leading player.
I will just give 3 examples: China completed roughly 91% of the world’s shipbuilding tonnage in 2025, holds more than 80% of solar module manufacturing capacity and produces more than three quarters of global batteries.
> Can you provide the source? In the WTO's broader medical goods category, Germany actually exported slightly more than the US in 2022 ($202.6 billion versus $189.6 billion), so such a huge difference in a few years?
Sure, these are my sources. World Bank (2023): https://wits.worldbank.org/trade/comtrade/en/country/ALL/yea... Observatory of Economic Complexity (2024): https://oec.world/en/profile/hs/medical-instruments
> China accounted for approximately 44.2% of the 104 new molecules in 2025, compared with 26.9% for the U.S. and 15.4% for Europe.
Source for this? My source was Citeline's 2026 annual review at https://pulseforinnovation.org/by-the-numbers-citelines-rd-a... which states:
> Findings from Citeline’s latest report, Pharma R&D Annual Review 2026, highlight the continued U.S. leadership in the life sciences ecosystem... The U.S. leads all other countries, currently advancing over 11,600 medicines – more than half of medicines in development worldwide.
> I will just give 3 examples
In general, I was referring to "major industries" in the sense of economic categories, as defined by (for example) the UN: https://unstats.un.org/unsd/publication/seriesm/seriesm_4rev... Here shipbuilding is considered to be part of "manufacture of other transport equipment." I admit my wording was a bit imprecise; if you are going down to the level of specific products like ships or solar panels, clearly it will be easy to find examples of things that the US does not produce on any significant scale. Nevertheless, a few comments on your examples:
> China completed roughly 91% of the world’s shipbuilding tonnage in 2025
Source on this? 91% is a lot and I can't find anyone else making this claim. However I'll concede that the US is far behind China, South Korea, and Japan in shipbuilding.
> [China] holds more than 80% of solar module manufacturing capacity
You are correct that the US has "only" 60 GW of domestic solar module production capacity according to https://www.utilitydive.com/news/onshored-solar-supply-chain... However, as context - the only purpose of producing solar modules is to generate solar power, and the US was the 2nd-largest producer of solar power in 2025 according to https://en.wikipedia.org/wiki/Solar_power_by_country Surely that makes us a leading player.
> [China] produces more than three quarters of global batteries
True but the US was the 2nd largest producer. In battery cells, we have an estimated capacity of 96 GWh in 2026. https://poweralliance.org/2026/03/18/american-energy-storage... Likewise in lithium-ion batteries: https://elements.visualcapitalist.com/ranked-the-top-lithium...
> Sure, these are my sources. World Bank (2023)...
My WTO comparison used the much broader "medical goods" category, so it was not an apples to apples.
> My source was Citeline's 2026 annual review at https://pulseforinnovation.org/by-the-numbers-citelines-rd-a... which states...
EFPIA, using Citeline’s Pharma R&D Annual Review data, says that among the 104 new active substances launched for the first time on the world market in 2025, 46 came from Chinese headquartered companies, 28 from US companies and 16 from European companies.
https://www.citeline.com/en/rd26
https://www.efpia.eu/media/owqczcqz/the-pharmaceutical-indus...
China currently leads in this particular output measure of newly launched active substances.
Your clinical trials claim also remains unsupported as worded. Citeline’s figure of more than 11,600 medicines being advanced in the US refers to the drug development pipeline. It is not a count of active clinical trials being conducted in the United States. One medicine can involve multiple trials, and pipeline geography may be assigned through the developer's headquarters rather than the location of trial sites.
Citeline itself describes this as the number of drugs in the active R&D pipeline:
https://www.citeline.com/en/rd26
The most relevant peer reviewed international comparison I can find points in the opposite direction for new trial registrations. A 2025 study found that China registered 16,612 trials in 2023, including 7,798 randomized trials, compared with 9,100 trials and 4,619 randomized trials in the United States:
https://www.jclinepi.com/article/S0895-4356%2825%2900124-6/a...
That does not by itself prove that China has a larger stock of trials currently classified as active. It does show that "the US has more active clinical trials than any other country" requires a specific global dataset + status definition + date + deduplication method etc. A count taken only from ClinicalTrials.gov is not a neutral worldwide comparison, because US law requires many FDA regulated trials to be registered there, whereas studies outside its legal and policy scope may be submitted voluntarily:
https://clinicaltrials.gov/policy/fdaaa-801-final-rule
https://clinicaltrials.gov/about
For global comparisons, the WHO's ICTRP is more appropriate because it provides access to ongoing and completed trial records supplied by registries around the world and groups multiple records referring to the same trial:
https://www.who.int/tools/clinical-trials-registry-platform/...
IQVIA's latest result does support a narrower US leadership claim: trial starts became increasingly concentrated among US headquartered sponsors in 2025. But that measures the headquarters of the sponsor (not necessarily the country where the trials took place) and it does not measure the total number of currently active trials:
https://www.iqvia.com/insights/the-iqvia-institute/reports-a...
So the fair conclusion is that the US remains one of the world's largest clinical rial and drug development centres and may lead certain sponsor based or industry sponsored measures. The categorical claim that it has more active clinical trials than every other country has not been demonstrated by your sources.
> In general, I was referring to "major industries" ....
I also do not think the UN classification resolves the "every major industry" question. ISIC is a statistical classification system, not a rule for what ordinary speakers must regard as a single competitive industry.
ISIC Division 30 combines:
shipbuilding railway equipment aircraft and spacecraft military vehicles motorcycles and bicycles
https://unstats.un.org/unsd/publication/seriesm/seriesm_4rev...
Under that aggregation, US aerospace strength can be used to declare the US a "leading player" in the division even though its commercial shipbuilding industry is negligible by global standards. Likewise, ISIC Division 27 combines batteries with motors, generators, wiring, lighting and domestic appliances.
Whenever the US is weak in one globally important industry, it can be bundled with another industry in which the US is strong. Almost any large, diversified economy could be described as a "leading player" in every sufficiently broad category using that method.
> You are correct that the US has "only" 60 GW of domestic solar module production capacity...
The solar comparison also switches metrics. China having more than 80% of global solar module manufacturing capacity is a manufacturing claim. The US being second in solar electricity generation is a deployment/generation claim. Operating solar panels (many of which depend on an overwhelmingly Asian supply chain) does not establish leadership in manufacturing them. The IEA says China has over 80% of module capacity and 95% of wafer capacity.
https://www.iea.org/reports/advancing-clean-technology-manuf...
> True but the US was the 2nd largest producer. In battery cells, we have an estimated capacity of 96 GWh in 2026....
The same issue applies to batteries. The 96 GWh number in your source is projected for 2026, not actual 2025 production. Specifically US energy storage cell capacity, not all lithium ion batteries and capacity, not output.
Your source says US ESS cell capacity was "essentially zero" in 2024 and projects 96 GWh in 2026.
https://poweralliance.org/2026/03/18/american-energy-storage...
Meanwhile, the IEA estimates that China manufactured well over 80% of all batteries in 2025. It says the US and EU each supplied a similar share of the relatively small remainder, while US and European factories remain heavily dependent on imported components. For grid storage LFP batteries specifically, supply is almost entirely Chinese.
https://www.iea.org/commentaries/global-battery-markets-are-...
"there is literally not a single major industry where the US is not a leading player."
Oof you were doing so strong until you threw this one out.
Easy counterexample (and there are so many more than this). Clothing. Unfortunately, most people aren't buying MIUSA Selvedge Denim, PNW boots. I'm pretty sure that MIUSA clothing is like, 3% or less of all clothing sold in the USA.
The US is the second largest textile exporter in the world. Sources: https://ncto.org/facts-figures/us-textile-industry/ and https://www.trade.gov/selectusa-textiles-industry It's true that a significant amount of that is fabric and fibers, and most of the clothes sold in the US are not actually sewed here. But on the other hand, US companies also show up in other places in the clothing supply chain as well - American fashion design and marketing contribute a lot of the final value of many clothing items sold here and overseas.
Fuck yeah!
Implying that AI is the last jewel of the USA is too simplistic and ignorant.
People are paying for tokens, that will likely continue even if open weight wins.
It is not SOTA. Give me a break. Sure, run it on Cerebras to get speed but that’s pretty much its advantage.
Agreed. The benchmark closest to my experience is FrontierMath Tier 4. Fable and Sol (90%) are very far ahead of Kimi K3 (not even 40%). Kimi is trained heavily to basic agentic tasks, like all the other open models right now.
Why do you think it's not SOTA?
Cerebras does not share the quantization of the models so you don't know if you're getting real K3 or k3 lite or something else.
It most likely will be quantized. A cerebras wafer only has 44gb ram, and linking them together vastly reduces the speedup.
AI written drivel by an inference provider, hyping an open model that isn’t open, otherwise the inference provider would be hosting it, and the inference provider also does not have this router they trumpet available, in any form.
I’d be amenable to it but I’m already aware of them lying about token throughout by 50-100% on AA and on Twitter, even when you get a dedicated server.
Just too much lying piled up to extend courtesy here, even though you’re my favorite open model provider. Please, get your house in order, and if the house is so big that marketing drove this set, ask them to slow down a bit and market things that people can actually use / you actually provide.
> hyping an open model that isn’t open
Moonshot has committed to release it end of the month.
I'm not sure why you're so dismissive about this model. It isn't currently open, but it will be. It was slow when I used it so i'll give you that. There will be other providers with better performance.
My only gripe was that it takes a very long time to think. It's a good model otherwise.
Why SoTA (uppercase “T”) instead of SotA (lowercase “T”) ?
“State of [T]he Art” versus “State of [t]he Art”.
If not SotA then at least SOTA, which is more accurate.
It should be SotA.
Does that make DeepSeek V4 Flash MiniSotA? This dev in the Twin Cities would like to know.
I think they call it Minipop there
SOTA police
its sota like it was a joke
An cross of SoT (source of truth) and SotA (state of the art). SotA looks weird, admittedly.
“SoTA” as “source of truth agent” would be a pretty annoying/funny acronym to unless upon the world.
I suspect typo.
nice to see humans writing
probably buckeye fans
“State of THE art.”