Claude Fable Solves a Historical Cipher

<p>Claude Fable 5.1 <a href="https://www.vals.ai/blogs/fable-solves-cyphral-distich">solved</a> a 370-year-old cipher in forty-four minutes.</p> <p>This tracks with what I <a href="https://www.theguardian.com/commentisfree/2026/aug/25/ai-mathematics-careers">wrote</a> about AIs doing mathematics: It&#8217;s good at things that involve lots of searching and testing.</p>