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CNBC · United States · Anthropic accuses Alibaba of largest-ever AI distillation attack on Claude
Lead account of Anthropic's June 10 letter to Senators Tim Scott and Elizabeth Warren, disclosed June 24. The letter alleged Alibaba ran 28.8 million exchanges with Claude via 25,000 fraudulent accounts between April 22 and June 5, targeting software engineering, agentic reasoning and long-horizon tasks, dwarfing the earlier DeepSeek-Moonshot-MiniMax campaign.
“Alibaba ran 28.8 million fraudulent exchanges with Claude, the largest known distillation attack on Anthropic to date, targeting its most valuable capabilities.”