Anthropic Accuses China AI Firms of Model Mining

DeepSeek, MoonShot AI, MiniMax Used 24K Fake Accounts in Campaign Rashmi Ramesh (rashmiramesh_) • February 24, 2026

Anthropic has accused three Chinese artificial intelligence companies of running coordinated, large-scale operations to steal capabilities from its Claude models. The U.S.-based company said DeepSeek, Moonshot AI and MiniMax are conducting "industrial-scale campaigns" executed through tens of thousands of fraudulent accounts.

See Also: How Unstructured Data Chaos Undermines AI Success

The San Francisco-based firm said the three labs collectively generated over 16 million exchanges with Claude through approximately 24,000 fake accounts, violating its terms of service and circumventing regional access restrictions that bar commercial Claude access in China.

Anthropic joined its chief rival, OpenAI, in raising allegations of theft. OpenAI sent a memo to the U ...