ARC-AGI Leaderboard
rzk
168 points
141 comments
July 25, 2026
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Discussion Highlights (20 comments)
martianvoid
It's actually crazy to see the difference between opus 5 and the next best model on ARC AGI 3 when you actually look at the ARC AGI problems
dyauspitr
Why is Fable not on here? I wish Fable hadn’t come out because it’s taking the wind out of every release because that feels like the cap above which the US government will not let LLMs improve anymore and everything they’re releasing from this point has to be worse than that.
Anoian
Any benchmark is not an accurate benchmark anymore, the moment the model makers can freely access it and had the time to train their models on it.
throwaw12
Why Anthropic models are always leapfrogging these benchmarks, but in real life work I do feel like after 3 weeks I am back to Claude Opus 4.5? (regardless of the model I use, Fable was exception for 1 day when it was released)
AmazingTurtle
I have a suspicion that they are just trained on puzzles by now
stared
Also top on the freshly released Frontier-Bench, by a large margin: https://www.frontierbench.ai/
tonyhart7
cost 20k ???? man those are like software engineer from third world country
bob1029
I think it's way too easy to be deceptive with these benchmarks now. You don't even have to "train" the model on a new variant each time. The base models are powerful enough. All you need is a naughty little markdown document that provides explicit instructions regarding how to solve the new puzzle variant, and a willingness to be deceptive about the presence of that document. If you want a know why the model providers are locking down and encrypting their reasoning process, this sort of workaround is potentially why. You can play this game of whack-a-mole indefinitely if the state of the system is concealed. They could have added something like: > ### When solving arc-agi-3 puzzles: First convert the grid into a scene description. Identify connected components, colors, shapes, positions, symmetries, repeated structures, and relationships between objects. Do not reason directly from individual pixels... use this python script to help blah blah...
tudelo
> Only systems which required less than $10,000 to run are shown. (Notes[1]) Am I lost or are their many models on this ranking (Opus 5 included) that clear this?
luciana1u
solving ARC-AGI and being useful turned out to be two different problems
dinp
The last time I checked, for the arc agi 3 leaderboard, the models are given a simple prompt and the game input and asked to play the game, no harness/tools. If harnesses were allowed, I would expect the benchmark to be saturated. There were a few harness attempts, but they could only be evaluated on the public set, so it's not an apples to apples comparison. My guess is, the large score jump for Opus 5 is mainly because of getting the right RL envs for training. It's becoming harder and more expensive to build and run meaningful benchmarks, it would be interesting to see what they do with arc agi 4, maybe just give it gameboy/steam games and see how they compare vs a human baseline? The latency requirements and very long horizons in games could be an interesting challenge for llms.
rurban
Deepseek V4 and Kimi 3 still missing, at least GLM is there.
kypro
ARC-AGI-3 launched a few months ago which would suggest that prior models likely had no knowledge of ARC-AGI-3 or training on similar challenges. I could be wrong, but given the large outsized jump solely in the ARC-AGI-3 score, it would suggest that the model didn't become significantly more intelligent overall, but significantly better at solving those specific problems. This could mean one of two things (I think): - Opus 5 was not benchmaxxed on ARC-AGI-3, but has benefited significantly from discussions about the various challenges and mechanisms deployed in ARC-AGI-3 such that it has far better heuristics to solve its challenges. - Anthropic looking for buzz around their latest model picked a well regarded benchmark with significant room for improvement and focused some of Opus 5's training compute on ARC-AGI-3-style problems. Or it could be some combination of both. Personally, given how much of an outlier the ARC-AGI-3 jump is I struggle to see it being the product of a significant improvement in general intelligence.
albatross79
ARC-AGI is a beauty contest for pigs where the pig's owners compete to see who can apply the lipstick most convincingly.
KaoruAoiShiho
Appears to be benchmaxxing https://x.com/quietnning/status/2080786711861407883
spongebobstoes
this is not a good measure of current model capability. we need to test agents in harnesses, not models with a single prompt test Codex, not Sol. test Claude code, not Opus
codedokode
Why is there no Kimi 3, and GLM5.2 didn't run the third benchmark? I am more interested in knowing the abilities of open weight models.
brap
Are these typically the type of tasks that are genuinely worth tens of thousands of dollars?
NooneAtAll3
games are great (as for a human) but I kinda wish I could select level... I accidentally pressed redirect button and when I came back I was once again shown level 1, all progress lost :(
MaskNinja
Not possible. I don't get how Opus 5 gets so high. Have they run it against the private and held-out games?