GPT-6 Astra decodes an unsolved 1941 German army Enigma message
In September 2026, Carter Leffen asked OpenAI’s GPT-6 Astra to select and decode an unsolved German army Enigma message from 10 July 1941. The 82-character message had remained undeciphered for 85 years; the model simulated an Enigma machine and tested more…
