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Anthropic says Mythos 5.2 and Fable 5.2 proved Fermat's Last Theorem, solved black hole problems in testing

Anthropic reports that during prerelease testing, its Mythos 5.2 and Fable 5.2 models formalized a proof of Fermat's Last Theorem and solved two open black hole physics problems.

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  1. 2026-11-09 19:15 · Techmeme
    Anthropic says during prerelease testing Mythos 5.2 and Fable 5.2 formalized the proof of Fermat's Last Theorem and solved two open black hole physics problems

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