Anthropic ships Claude Fable 5.2 and Mythos 5.2, citing gains in coding, reasoning and vision
mikeyk · x · 2026-11-10
Anthropic officially released Claude Fable 5.2 and Claude Mythos 5.2, positioned as collaborators for the most daunting technical challenges, with improvements in coding, reasoning, and vision.
Anthropic exec mikeyk says they feel "super sharp": researchers using Fable 5.2 solved two theoretical physics problems, and he pairs Fable with Opus 5.5 as a thought partner on strategy.
Related event: Anthropic Launches Claude Fable 5.2 and Mythos 5.2(45 posts)→
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