Referee report calls out paper as Claude Opus 5-written, and reviewer owns up

alejandroll10 · x · 2026-10-27

Economist Koren Miklos shared a referee report screenshot and admitted he wrote it: the report argues a paper's model section was mostly written by AI, specifically Claude Opus 5, citing obtuse mathematical assumptions, invented compound terms, and verbal tics like "not x but y." The reviewer added that using AI as a communication tool is fine, but in this case it didn't help — a notable moment in academia's AI-authorship debate.

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