Which LLM is worth it: Artificial Analysis Intelligence Index against blended API price, with the value frontier highlighted. Refreshed daily.
113 comments
Ex. this type of price estimation is quite naive - some models can require 2-3x the number of tokens to achieve the same level of intelligence. Artificial Analysis' own cost per task is a more fair estimation of cost.
https://artificialanalysis.ai/models#price-cost
https://artificialanalysis.ai/models?models=gpt-6-luna%2Cglm...
https://artificialanalysis.ai/models?cost=intelligence-vs-co...
Spark is such a bad model, you are far better off using Astra Medium than using Spark.
It's the equivalent of ai slop writing in a data format.
Depending on your memory, you'll need to use the weaker Q4 versions but they still perform well.
It ranks higher than GPT-5.3 Codex (xhigh) or Claude Opus 4.6 (max) so is great for pairing with https://github.com/kunchenguid/gnhf for nightly experimentation, cleanup, or recommendation lists for in the morning.
I often pair them up, and I have an Astra or Sol work as a supervisor and reviewer while Qwen 27B FP8 or Qwen 3.8 Flash Next implements things. I mostly do it as an experiment, just to see what kind of level of autonomy I can get, and they are slow to getting a decent reviewed outcome despite Qwen27B running at 100+ tps and 3.5-4K prefill rates and Qwen3.8 Next at 40 tps and 1-2K prefill. I've been also using similar approach more with OMP, not just the straight Pi harness. And OMP seems to be slower because it has more guardrails. OMP has an interesting feature where you can assign a better LLM as an advisor, wehere it just sort of monitors the progress and injects guidance. And it definitely helps, but one has to be careful. It actually turns out to be expensive if the cache reads are expensive. I learned it the hard way. Where on Fireworks' API, the cache rates for GLM 5.3 flash are quite a bit more expensive than for DeepSeek, and a simple runs ended up costing me three bucks in oversight. So a better way is to have a Frontier model running a separate tmux pane and just directing it to Wake up every 10 minutes, take a peek at what's going on, review the milestones give feedback and then sleep. This turns out to be pretty decent cost saving strategy when quote needs to be stretched. Paradoxically, OpenAI tightening up their quota allowance once they released Astra actually pushed me into all these sorts of experiments, and it's actually been interesting. I've been exploring all these smaller flash models, and it's been nice. I do like using local LLMs for chore type tasks that are just mostly information gathering, post-session reviews, stuff like that.
I find Qwen Flash Next quite competent as well. 27B is a solid worker like you said. If you batch work and let them crank they do remarkably well. I am working on.
I started using Herdr and taught my agents to use it. So I use OMP loop and or goal, and it has a review cycles to wake up an Opus or Sol reviewer to make sure nothing is going off the rails with a local qwen flash next coordinating for me. I kinda prefer Sol, it seems like a more patient and thorough model, especially Sol 6, but Opus 5.5 is really good and its voice and attitude is not as grating as Opus 5 for sure.
I have a few V100 GPU running Qwen 27B and they do all the work overnight. Not quite the same speeds you have yet, but this is V100 machine and an old gaming machine with 16GB 4080 and a handful of 32GB V100s... all in less than 3K (ignoring that my gaming machine is 3 years old, but runs qwen flash next for free now as I game not a lot) for my little "we have AI at home" projects and there is a lot of interest in these old GPU now because they are rolling out of data centers now.
For my local work and personal projects... they just seem to be getting done in this setup. Every few days I sit down and do a big cycle with astra/fable/opus batch things up. I have projects that are basically "i want to see what happens" to "I want this to be good, I understand the code". Some of the throwaway projects that have just kind of magically finished more or less how I wanted have been great.
GNHF seems exactly what I've been aiming for to handle overnight tasks.
Consider bumping reasoning down to Medium as a default though, I agree with simonw it over thinks https://simonwillison.net/2026/Aug/16/qwen-38-27b/
I've had more than a few people tell me "oh, it's so much cheaper to use a $20 claude account" or "i've never hit a limit ever using my openai". Inevitably.. I end up reading/hearing "oh, I need to give it another couple hours to start using it again"... I've never hit that with my approach, even if it's costing me a bit more. Being able to work when I want when I have time has some value.
I also have openai and anthropic direct API billing set up for hosted and client projects that need to call out to an LLM service.
Would you mind sharing how much it's costing you? I've been wanting to use APIs from within Intellij, but I hesitate because of uncertainty about the cost.
Is it worth the ~10x extra cost over the subscriptions? (This is obviously a leading question). Also, I think you can use OpenAI's subcription login with Air, but not Claude's.
I can't remember the last time any real recourse has mattered for companies getting breached or mishandling my data. Their stock just goes up and the govt just shrugs.
Then i got $20 into DeepSeek and i've been using those $20 for two weeks every day now. Use case is automating computer/browser use - Astra is really good at it, but very expensive, Sol and Luna haven't been that great at it, Deepseek as at about 80% of Astra but lasts forever.
But I guess if I had an agent vibecoding on it's own, I'd go with subscription instantly.
If I want to spend $100 on LLMs next month, what should I do? Get Claude because Opus 5.5/Fable 5.1 are scoring well? Get Grok because 4.7 is supposedly a good mix of competence and cost? Try out a Chinese model? Don't do a subscription at all like this site is saying?
The subscription from frontier labs can handle all that (though each has its best strenght, they all perform well on most things), but it's usually a bit of a waste compared to taking the best one for you.
This is the one that works good for me on 32gb:
https://huggingface.co/ISTA-DASLab/Qwen3.8-27B-GSQ-RCO-GGUF
Specifically this one: Qwen3.8-27B-GSQ-RCO-IQ3_S-mtp.gguf
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