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Sep 09 2026 Claude Fable Solves a Historical Cipher

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Claude Fable 5.1 solved a 370-year-old cipher in forty-four minutes. This tracks with what I wrote about AIs doing mathematics: It’s good at things that involve lots of searching and testing. [...]

Posted by Bruce Schneier on Wed 09 September 2026 in Bruce Schneier.

Tags: Uncategorized, AI, cryptography, history of cryptography, mathematics.

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