GPT-6 Astra independently decrypts an unsolved Enigma message

GPT-6 Astra successfully decrypted an unsolved Enigma message published on Crypto Cellar Research.

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The fact

The model worked autonomously, without direct human intervention.

This breakthrough raises questions about AI capabilities in historical cryptanalysis.

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Auto-synthesis from 1 media source · identified on September 22, 2026