Anthropic Accuses Alibaba of Illicitly Accessing Claude for Qwen Training
- •Anthropic accuses Alibaba of illicitly accessing Claude to train the Qwen AI model.
- •The allegation was disclosed in a June 10 letter sent by Anthropic to US lawmakers.
- •The dispute highlights growing concerns over intellectual property and data security in AI model development.
Anthropic has accused Alibaba of illicitly accessing its Claude language model to train Alibaba's own Qwen AI model. The artificial intelligence company disclosed this allegation in a letter sent to US lawmakers on June 10. The company claims that the unauthorized access occurred as part of the development process for Qwen. This dispute involving the two prominent AI developers emerged as a significant point of contention regarding data security and intellectual property protections for proprietary AI architectures. The full details of the legal or technical evidence behind these accusations remain limited, as the original reporting on this development was published by MT Newswires on June 24, 2026, and remains restricted behind a paywall as of June 25, 2026.