Fable 5.2 posts 64.9% on RoboDojo robot control, beating most purpose-built systems

claudeai · x · 2026-11-10

Anthropic reports substantially improved robot-control skills for Fable 5.2, including on tasks it was never explicitly trained to do.

On RoboDojo, a simulated two-arm robot benchmark, it outperformed other models and most AI systems purpose-built for robot control. The attached eval table shows 64.9% on RoboDojo Sim versus 27.6% for Fable 5.1 and 39.4% for Opus 5.5.

Related event: Anthropic Releases Claude Fable 5.2 and Mythos 5.2(33 posts)→

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