The NSA is using Anthropic's most powerful AI model Mythos

THE DECODER / 4/20/2026

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Key Points

  • The NSA is reportedly using Anthropic’s most powerful AI model, “Mythos Preview,” for its intelligence and electronic surveillance work.
  • The reporting indicates the US intelligence agency has begun leveraging Anthropic’s advanced model capabilities.
  • The development underscores growing government interest in deploying cutting-edge frontier AI systems.
  • The announcement (as described by the article) may affect expectations around how AI models are adopted for sensitive national-security use cases.

The NSA, the US intelligence agency responsible for electronic surveillance, is using Anthropic's most powerful AI model, "Mythos Preview."

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