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Comment on Writing fingerprint analysis of responses reveals Kimi's similarity to Claudeparent

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I also suspect the questions asked matter a lot, and the system prompts matter a lot, because "the map is built from nothing but the words they choose" - so this is more a measure of linguistic style than anything.

If you use the Claude Code harness on two models you will probably get very similarly styled output. I would not be surprised if K3 "stole" a lot of the harness that was leaked.

Notice how the only rows that even come close to being gray is GPT-5.4+Mini, diverging even from other GPT models. Is this because it has a wholly different training set, or (more likely IMO), did it just have a system prompt that leads to a different style?

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