Anthropic accuses Alibaba of running the largest distillation campaign yet against Claude

https://media.thenextweb.com/2026/06/anthropic-accuses-alibaba-distillation-claude-qwen.avif

TL;DR

Anthropic accused Alibaba’s Qwen lab of using 25,000 fake accounts for nearly 29 million Claude exchanges, the biggest such campaign yet.

Anthropic has accused Alibaba of waging the largest distillation campaign yet against a US AI company, telling senators and White House officials that operators linked to Alibaba’s Qwen AI lab used nearly 25,000 fraudulent accounts to extract Claude’s capabilities between April and June. The letter, a copy of which was seen by Bloomberg, described nearly 29 million exchanges with Claude targeting software engineering and agentic reasoning, the model’s most commercially valuable skills.

The accusation marks the first time Anthropic has named a major Chinese technology conglomerate as the source of a distillation attack. Previous allegations in February targeted smaller Chinese AI startups, including DeepSeek, MiniMax, and Moonshot AI, which Anthropic said had collectively generated more than 16 million exchanges through about 24,000 fake accounts. The Alibaba campaign...

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