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OpenAI's GPT-6 Astra decrypts a Nazi radio message in ten hours that went unsolved for 83 years

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OpenAI's GPT-6 Astra decrypts a Nazi radio message in ten hours that went unsolved for 83 years

The Decoder · Sep 17, 2026, 9:45 AM UTC

A Bloomberg developer claims to have cracked an 83-year-old Enigma message from the Wehrmacht using OpenAI's GPT-6 Astra. The 82-character radio message from 1941 contains a soldier asking about his march route. The solution still needs independent review.…