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Morning Edition · Monday, September 14, 2026Published at 2:22 AM EDT · New York
Claude Fable 5.1 Produced a Reading of a 373-Year-Old Cipher in 44 Minutes
The evaluation firm Vals AI says the model used 176,000 tokens and minimal operator hints to decode a cryptogram ranked 28th on the standard list of famous unsolved messages.
The evaluation firm Vals AI reported that Anthropic's Claude Fable 5.1 produced a decoding of the Cyphral Distich, a cryptogram of two lines of 32 numbers printed at the end of the Scottish writer Thomas Urquhart's 1653 treatise Logopandect…
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AI Moves Into Autonomous Scientific Discovery and Clinical Care
Over the next 3-9 months, AI systems move beyond text tasks into running real scientific experiments and managing clinical care, backed by peer-reviewed and benchmarked evidence of chemist- and physician-level performance.
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More from this edition
- Amodei Commits Anthropic to Embedded Outside Evaluators, and OpenAI Says It Will Match
- Perplexity Gives OpenAI's GPT-6 Astra Standing Access to Production Software
- Anthropic Says It Disrupted Claude Misuse Across Seven Harm Categories in Nine Months
- Anthropic's Economists Put a Range on AI's Effect on Output and Jobs Through 2030
- A Controlled Test Finds No Advantage for Vendor-Native Coding Harnesses
- Occamy-1.0 Puts a 35-Billion-Parameter Open Model Against Larger Agent Systems
- A New Benchmark Asks Whether an Agent Can Learn an Actual Job, Not Complete a Task
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