Key Takeaways:
- Anthropic accuses Alibaba of using 25,000 fake accounts to extract Claude’s AI data.
- The campaign involved 28.8 million exchanges to build competing AI models.
- Anthropic urges Congress to penalize Chinese labs for industrial-scale intellectual theft.
Artificial intelligence firm Anthropic has accused Chinese technology giant Alibaba of conducting the largest known campaign to illicitly extract capabilities from its Claude AI model through thousands of fraudulent accounts.
The operation, which Anthropic detailed in a letter to the Senate Banking Committee, occurred between April 22 and June 5, 2026. Anthropic accuses Alibaba of using operators affiliated with Alibaba and its AI laboratory, Alibaba Qwen, which generated more than 28.8 million exchanges with Claude to facilitate a process known as “model distillation.”
Distillation Tactics Threaten National Security
Model distillation involves using the outputs of a highly capable AI system to train or improve a smaller, less advanced model. Anthropic accuses Alibaba of using this practice to help Chinese competitors replicate advanced American technology at a fraction of the original development cost.
“This campaign targeted some of Claude’s most valuable capabilities, such as agentic reasoning, software engineering, and long-horizon tasks,” Anthropic stated in the June 10 letter. The company argues that these illicitly trained models likely lack the safety guardrails designed to prevent the misuse of AI for cyberattacks or bioweapon development.
As Anthropic accuses Alibaba, the company is calling on Congress to close loopholes that allow Chinese AI laboratories to access advanced American chips and to establish penalties for firms responsible for such data theft. The company previously identified similar, albeit smaller, operations by Chinese startups DeepSeek, Moonshot, and MiniMax earlier this year.
Regulatory Pressure Mounts Amid Tech Tensions
The allegations arrive as Washington intensifies its scrutiny of Chinese access to sensitive U.S. technology. The White House has repeatedly warned that the industrial-scale theft of AI intellectual property poses a significant risk to national security and long-term American technological leadership.
Alibaba, which has denied having ties to the Chinese military, did not respond to requests for comment regarding the accusations. The company is currently challenging its inclusion on a Pentagon blacklist of firms with alleged links to the People’s Liberation Army.
Government officials confirmed they are investigating the claims, signaling a potential shift in how federal regulators handle data-scraping activities. As Anthropic accuses Alibaba, industry analysts suggest that increased threat-intelligence sharing between the private sector and federal agencies may become standard practice to combat these sophisticated digital intrusions.
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