Fable 5.1 Science Benchmark: Autonomous success rate doubles to 53.6%
johnseach · x · 2026-09-02
An analysis of the 'Agentic Scientific Research' claims in the Fable 5.1 announcement. It refers to AI taking real scientific computational jobs and completing them via terminal tools. On the Terminal-Bench-Science 0.1 benchmark (70 expert tasks), Fable 5.1 achieved a 53.6% success rate, a significant jump from 25%. The key takeaway is the shift towards autonomous execution of research workflows, rather than replacing principal investigators.
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