Expired50% confidenceEventExact time
On June 24, Anthropic submitted a letter to the U.S. Senate Banking Committee, alleging that Alibaba used approximately 25,000 fake accounts to converse with Claude more than 28 million times between April 22 and June 5, characterizing it as an industrial-scale model distillation attack.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/9/2026
First Seen
Valid until: 10/7/2026(expired)
Sources
Alibaba's Claude Ban Explained: The Truth Behind Three Converging Timelines
bilibiliAI观察员马特7/5/2026
Related Claims
UnverifiedAnthropic sent a letter to U.S. Senators Tim Scott and Elizabeth Warren, alleging that operators linked to Alibaba conducted approximately 28.8 million Claude interactions through nearly 25,000 fraudulent accounts over roughly six weeks in an attempt to distill and extract Claude's capabilities.79% similarUnverifiedAnthropic wrote to two US senators, characterizing Alibaba's actions as the largest-ever distillation attack targeting Claude.66% similar
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