Anthropic Releases Claude Fable 5.2 and Mythos 5.2

By Anthropic (@AnthropicAI)Original title: Claude Fable 5.2 and Claude Mythos 5.2 are available now:
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Anthropic has launched Claude Fable 5.2 and Claude Mythos 5.2, positioned to tackle the most daunting technical challenges, with reported gains in coding, reasoning and vision. The company frames them as capable collaborators on ambitious projects, though no parameter counts, benchmark figures or pricing details were disclosed.

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Anthropic (@AnthropicAI) · 2026-11-09 19

Claude Fable 5.2 and Claude Mythos 5.2 are available now:

↳ 引用 @claudeai (Claude): Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges.

They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.