MEDSYN (English) - Differential Diagnosis Coverage: leaderboard

Metric: Differential-diagnosis coverage rate (%) on the 398 English cases: share of cases whose generated differential list includes the final diagnosis, judged by GPT-5 on a 0-5 scale with a score of at least 4 counting, from the case's history, examination and raw-image clinical evidence; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 18 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.288.55#105
2O386.15#121
3Claude Opus 4.584.92#79
4Gemini 2.5 Pro80.6#145
5Gemini 2.5 Flash73.55#237
6Qwen 2.5 VL 72B Instruct70.03#364
7InternVL3-78B66.25#345
8Qwen 2.5 VL 7B Instruct55.92#643

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=medsyn-english-differential-diagnosis-coverage · How It Works · Data refreshed daily, snapshot 2026-10-11.