Fable 5.1 makes a bigger jump than it looks on the Artificial Analysis Index

cedric_chee · x · 2026-09-02

Fable 5.1 shows a significant improvement on the Artificial Analysis Index, performing better than the version number suggests.

Related event: Anthropic Launches Claude Fable 5.1 and Mythos 5.1 with 75% Cheaper Caching(56 posts)→

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