Claude Fable 5.1 launches with doubled Terminal-Bench scores
MattGarciaEth · x · 2026-09-02
Anthropic has released Claude Fable 5.1. According to official claims, it scores 52.6% on Terminal-Bench-Science 0.1, more than double the score of Fable 5. On Terminal-Bench 4.0, it achieves 55.8% compared to Fable 5's 42.0%. A forwarded comment highlights the rapid progress, noting only 2.5 months between versions.
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