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25 Jun 202610 Muharram 1448 AH
Anthropic Accuses Alibaba of Illegally Extracting Claude's Capabilities

Anthropic Accuses Alibaba of Illegally Extracting Claude's Capabilities

Anthropic has accused Alibaba of illegally extracting capabilities from its Claude model. The attack, which occurred between April 22 and June 5, 2026, resulted in over 28.8 million interactions with Claude through 25,000 fake accounts. This incident is described as the largest known attack of its kind, utilizing distillation techniques to extract features from the model. In February, Anthropic detected similar campaigns by Chinese startups, indicating a rise in such activities.

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