Opus 5.5 is an excellent model! I benchmarked it on induction, and it comes a clear…
This is a dev post classified by Jev as Other (an opinion), kept by the Dev Radar because it carries real work, not commentary.
Opus 5.5 is an excellent model! I benchmarked it on induction, and it comes a clear second to Astra, with a distant third being GPT 5.6 Sol. GPT 6 Sol and Luna are taking their time returning results, will be updating at some point. Github: https://github.com/SerafimBatzoglou/concept-synth/blob/main/benchmarks/induction/docs/leaderboard.md Paper (ICML spotlight 2026): https://arxiv.org/abs/2602.18956
Posted by Serafim Batzoglou (3.7k followers) 1 h ago · 7 likes · 383 views · view the original post on X. Kept by the Dev Radar as Other. Tools mentioned: concept-synth.
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