Fable 5.1 benchmarks show insane jumps on Terminal/Science

kimmonismus · x · 2026-09-02

Benchmark results for Fable 5.1 are insane, showing unexpected massive jumps on Terminal-Bench 4.0, Science-Bench, and HLE. This sets the stage for OpenAI and Astra to respond.

Related event: Anthropic Releases Fable 5.1 and Mythos 5.1 with 75% Cheaper Caching(174 posts)→

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