Impostor Chinese models pretend they're Claude
AI and ML
Researchers find GLM and Kimi can adopt Claude's identity, but the evidence stops short of proving distillation
Raising suspicion about their training methods, Z.ai's GLM 5.2 and Moonshot AI's Kimi K3 have used the name "Claude" in some conversations and, for GLM, at least, changed behaviors slightly when posing as Anthropic's model.
The Chinese open weight models may adopt Claude's persona if prompted to do so, or even without being told so, but a claimed identity isn't always reflected in behavior due to training differences. So if model copying did occur – as claimed by the US – Claude's influence appears limited.
In the case of GLM 5.2, adopting Claude's identity appeared to loosen its Chinese censorship. Kimi K3 could be convinced to use the name, although that produced little change in its censorship or measured persona, and its unprompted Claude identity claims disappeared after July 20.
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