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Detecting and preventing distillation attacks \ Anthropic

anthropic.com · 1,354 words · saved by 1 readers

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Announcements Detecting and preventing distillation attacks Feb 23, 2026 We have identified industrial-scale campaigns by three AI laboratories—DeepSeek, Moonshot, and MiniMax—to illicitly extract Claude’s capabilities to improve their own models. These labs generated over 16 million exchanges with Claude through approximately 24,000 fraudulent accounts, in violation of our terms of service and regional access restrictions. These labs used a technique called “distillation,” which involves training a less capable model on the outputs of a stronger one. Distillation is a widely used and legitima

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