Claude Fable 5.1 crushes hard coding benchmarks, outpaces Chinese models
minchoi · x · 2026-09-02
A developer shared test results for Claude Fable 5.1 on their "hardest benchmark suite" (no collisions, lots of constraints). The model completely destroyed every other model and made Chinese frontier models feel instantly outdated. The review describes a generational leap over Fable 5.
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