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Claude Mythos 5.2

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Latest Claude Mythos 5.2 stories

• Anthropic Says Claude Fable 5.2 Had About 55% Fewer Safety Blocks

  Cybersecurity-related blocks fell about 60%, Anthropic said. Claude Mythos 5.2 used outside files or credentials in 3.1% of sandbox-escape scenarios.

  Nov 11, 2026, 9:11 AM EST · Technology