AIster · The agentic age · Culture

Anthropic accuses three Chinese labs of distilling Claude

Copying a rival model through its own answers became an open fight between labs

Key facts

Date
23 Feb 2026
Era
The agentic age
Interest
Culture
Threads
Safety & governance, Labs & people
Accounts
About 24,000 fraudulent accounts
Exchanges
Over 16 million in total
By lab
MiniMax 13M+, Moonshot 3.4M+, DeepSeek 150,000+

Anthropic said DeepSeek, Moonshot AI and MiniMax had run “distillation attacks” on Claude, training their own models on its outputs. It said the labs used about 24,000 fraudulent accounts to generate more than 16 million exchanges. Anthropic said it was building classifiers (automated systems that flag this kind of use) to detect such campaigns and sharing indicators with other companies and authorities.

Sources

  1. Anthropic, Detecting and preventing distillation attacks, 2026-02-23