Anthropic Accuses Alibaba of Largest-Ever Attempt to Distill Claude's Capabilities
Anthropic accused Alibaba of illicitly extracting capabilities from its Claude models in what it called the largest known attack of its kind, according to a letter seen by Reuters. The campaign ran from April 22 to June 5, generating more than 28.8 million exchanges with Claude across nearly 25,000 fraudulent accounts, in what Anthropic describes as a distillation effort to accelerate China toward its frontier 'Mythos' capabilities.
Jun 24, 2026