Anthropic Alleges Chinese AI Firms Illegally Extracted Data from Claude Platform

Multiple credible, high-authority news outlets and official company communications consistently report that Anthropic publicly accused three Chinese artificial intelligence firms—specifically named as DeepSeek, Moonshot, and MiniMax—of engaging in illegal or improper data extraction from its Claude platform via so-called 'distillation attacks.' The official Anthropic blog post provides direct evidence and detailed methodology describing the alleged activity, including the use of mass prompts, fraudulent accounts, and large-scale harvesting of Claude outputs. Independent major publications, including The New York Times, Wall Street Journal, Fortune, and South China Morning Post, corroborate these allegations with details about scale, actors involved, and context. The reporting is consistent across sources, with no substantive contradiction, and cites both Anthropic's statements and supporting evidence. While the accusations have not yet been adjudicated in court, the fact that Anthropic has made this allegation is well-documented and directly supported by primary sources, making it highly probable that the statement about Anthropic alleging such conduct is true.