Anthropic Accuses Alibaba of ‘Illicitly’ Accessing Its Claude AI Models in Largest Known Distillation Attack

Anthropic has formally accused Chinese tech and e-commerce giant Alibaba of orchestrating a massive, unauthorized extraction campaign targeting its Claude AI model, marking what the company describes as the largest known distillation attack in its history. In a letter dated June 10, 2026, and addressed to U.S. Senate Banking Committee Chair Tim...

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