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Large Language ModelsAI Safety & AlignmentLessWrong AIPublished: Jul 24, 2026, 10:01 JST

AI can now link pseudonymous posts by writing style alone

AI can now link pseudonymous posts by writing style alone

An essayist describes a conjecture that large language models can identify authors across pseudonymous identities by analyzing statistical patterns in their writing. The author notes that LLMs have grown capable enough that Claude 4.8 successfully identified the author from the first 1,000 words of a draft post.

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