We tested Claude, GPT-5.2, and Gemini as scientific paper reviewers on @KurateOrg. When scoring arXiv papers on impact (1–10), GPT clusters around 7–8 and Gemini is similar. Claude Opus 4.6 uses the full range, making it a far better discriminator. See the distributions 👇

See the top ranked papers in AI, ML, Robotics, Quantum Physics, and more on @kurateorg. Hundreds of arXiv preprints ranked daily by scientific impact through pairwise tournaments judged by Claude, GPT, and Gemini.