Anthropic claims Alibaba is conducting a 'shameless' and 'illegal' effort to obtain AI technologies.

Anthropic claims Alibaba is conducting a 'shameless' and 'illegal' effort to obtain AI technologies.
Summary
Anthropic accused Alibaba of attempting to illegally extract its AI capabilities via distillation.
The letter detailed 28.8 million exchanges via 25,000 fraudulent accounts by Alibaba.
Anthropic calls for government and industry cooperation to combat AI intellectual property threats.

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During the G7 Summit held on June 17, 2026, in Évian-les-Bains, France, Dario Amodei, CEO of Anthropic, participated in a working lunch with leaders from G7 nations, outreach partners, and prominent global tech executives to discuss innovation and advancements in artificial intelligence.

On June 10, Anthropic raised concerns in a letter to the U.S. Senate Committee on Banking, Housing, and Urban Affairs, alleging that Alibaba, the Chinese technology giant, engaged in "brazen" and "illicit" efforts to siphon off its AI technologies. This information was confirmed by CNBC on Wednesday.

The correspondence, addressed to Senators Tim Scott of South Carolina and Elizabeth Warren of Massachusetts, claimed that Alibaba executed what Anthropic described as "the largest known distillation attack" on the company’s systems to date. Distillation refers to an AI training approach where a less sophisticated model learns from the outputs of a more advanced model.

According to the details included in the letter, which CNBC accessed, individuals associated with Alibaba's AI lab conducted approximately 28.8 million interactions with Anthropic's models by utilizing around 25,000 fake accounts from April 22 to June 5.

In a statement, an Anthropic spokesperson emphasized, "We believe that addressing the challenge of unlawful distillation requires a unified effort from both government and industry, and we will persist in collaborating with Congress and the Administration to preserve American leadership in AI."

At the time of this report, a representative from Alibaba had not yet responded to CNBC’s request for comments. Bloomberg initially broke the news regarding the letter.

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