Technology company Anthropic claimed that Alibaba was creating fake accounts to circumvent restrictions and access its Claude AI system. Alibaba’s US-listed shares fell about 2.7% to a 52-week low after reports of the allegations, extending the decline for the broader company into 2026.
The company described this attack as “the largest campaign ever to illicitly extract Cloud capabilities,” raising new concerns about intellectual property protection and intensifying competition in the field of artificial intelligence between the United States and China.
The company also stated that from April 22 to June 5, 2026, Alibaba It used 25,000 fake accounts in more than 28.8 million exchanges with Cloud, thus violating contractual terms.
In its June 10 letter to the US Senate Banking Committee, it also explained that Alibaba targeted Claude’s most important strengths, namely his advanced logic capabilities, programming abilities, and ability to handle complex, multi-step tasks.
Anthropic said the extracted data could be used to accelerate the development of competing AI systems. These accusations are likely to intensify the broader debate over AI security, export controls, and technology competition between Washington and Beijing, as governments around the world seek to balance innovation with protecting advanced AI systems.
Anthropic had previously accused DeepSeek and MiniMax of distillation
Anthropic has Distinguished The campaign serves as a distillation effort that could accelerate China’s progress toward Mythos Preview level performance.
In her letter to the committee, she called on lawmakers to close gaps in China’s chip supply and hold labs accountable for distillation attacks. However, it also acknowledged the steps the US government has taken to address these threats, especially its partnerships with AI companies on intelligence-sharing programs.
The Pentagon continues to include Alibaba on its list of Chinese companies with alleged ties to the People’s Liberation Army. Earlier this week, it asked to be removed from the list, stressing that it had no connection to the Chinese People’s Liberation Army.
For a while, American AI companies have warned that Chinese companies’ acquisition of advanced technology threatens national security. The humanitarian accusations pose a unique risk because they focus on Mythos, the precise model deployed by the US military and intelligence agencies to launch cyberattacks against foreign adversaries.
Previously, also called anthropic Deep Sickand Moonshot and MiniMax to illegally use Claude’s responses to upgrade their AI. I tracked 150,000 queries from DeepSeek, 3.4 million from Moonshot, and 13 million from MiniMax. At that time, it also confirmed that distillation campaigns were becoming more advanced, prompting immediate collective action across the global technology sector.
Anthropics is not the only one pointing fingers, OpenAI has also directed the same at Chinese groups. She believes that DeepSeek built its platform by mining its own artificial intelligence model.
Anthropic access to Fable 5 and Mythos has been suspended
Just last week, Washington ordered Anthropic to block foreign nationals from using its best AI models due to national security risks. Later, Anthropic confirmed that it had grounded Fable 5 and Mythos 5 globally in response to Trump administration directives banning foreign access.
According to the government, there is technology that can bypass Fable 5’s security measures and enable the model to identify software vulnerabilities.
However, there is a leaker on X under the Synthwavedd domain male That Anthropic may regain access to Fable 5. The latest version of Claude Code features text hints pointing to a Fable 5 revival, with weekly usage built directly into subscriptions, he said on Tuesday.
Anthropic was originally intended to convert Fable 5 from a free preview to a separate pay-per-use credit system. Instead, the potential update refers to an integrated weekly quota that updates automatically. The leaker confirmed that the removal of the separate purchase disclaimer from the interface indicates a fundamental change in the product’s billing logic rather than a simple series update.
“The string ‘I used your Fable 5 usage for this week’ has been added, and the ‘Purchased separately from your plan’ has been removed,” he wrote in his post.
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