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Developing story · 2 episodes · 17 Sept to 25 Sept

AI Deciphers Nazi Enigma Secrets

The saga chronicles how OpenAI's GPT-6 Astra and Anthropic's Opus AI systems have successfully decrypted previously unsolved Nazi Enigma messages, revealing hidden wartime communications. After the latest episode, both AI models have jointly broken two additional Enigma ciphers, expanding the recovered archive and confirming their unprecedented cryptographic capabilities.

  1. OpenAI’s Astra and Anthropic’s Opus break two unsolved Enigma messages

    Two cryptanalysts used OpenAI’s GPT-6 Astra and Anthropic’s Claude Opus 5 to decode two long-unsolved Enigma-encoded messages from World War II. Carter Leffen prompted Astra to find and break a…

    1 source
  2. OpenAI's GPT-6 Astra decrypts 83‑year‑old Nazi Enigma message in ten hours

    A Bloomberg developer, Carter Leffen, used OpenAI’s GPT‑6 Astra “Extra High” variant to crack a 1941 German Enigma‑encrypted radio transmission that had stumped historians for 83 years. The…

    1 source
Who and what
OpenAIBloomberg LPAnthropicGPT-6 AstraGPT-6 Astra Extra HighClaude Opus 5Carter LeffenFrode WeirerudJack Willis