Study: Opus 4.5 Beats Human Experts as Peer Reviewers on 124 Harvard Papers

JeremyNguyenPhD · x · 2026-10-23

Ethan Mollick cites a study where Opus 4.5 beat human experts as peer reviewers on 124 Harvard social science papers spanning statistical analyses to formal models. Jeremy Nguyen poses the sharper question: what happens when blind human assessment must judge human-written papers against those written by frontier agents with decent token budgets? Mollick urges academia to adapt the practice of science to AI fast.

Related event: Harvard Study Finds Claude Opus Peer Reviews Beat Top Human Experts(16 posts)→

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