Fable 5.1 beats Opus 5 in coding benchmarks
firstadopter · x · 2026-09-02
Fable 5.1 scores 55.8% on Terminal-Bench 4.0, outperforming Fable 5 (42%) and Opus 5 (52.3%). It also leads in agentic coding and computer use evals.
Related event: Anthropic Releases Fable 5.1 and Mythos 5.1 with 75% Cheaper Caching(174 posts)→
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