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Anthropic Accuses Alibaba of Using Fake Accounts to Steal Claude's Capabilities

6/27/2026

Anthropic has accused Alibaba, the Chinese ecommerce and cloud conglomerate, of obtaining what it calls "illicit" access to Claude, the company's AI chatbot.

According to Anthropic, Alibaba created fake accounts as a means to systematically extract Claude's capabilities — a move that frames the dispute as something far more serious than a terms-of-service spat.

What Anthropic Is Alleging The core of Anthropic's accusation is that Alibaba did not simply stumble into unauthorized use.

The deliberate creation of fake accounts suggests a coordinated effort to probe and pull out Claude's underlying behavior — effectively reverse-engineering or replicating what Anthropic has built, without paying for it or negotiating access through legitimate channels.

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