MC-CXR - Image-Only Recognition: leaderboard

Metric: Image-only recognition accuracy (%; the image alone, no context; 240 radiologist-reviewed MIMIC-CXR cases, one current chest X-ray and a fixed target finding each; zero-shot constrained single-letter answer from 12 CheXpert labels (chance about 8.3%), invalid answers scored wrong; greedy or temperature-0 decoding). Source: arxiv.org. Saturation forecast: Around 2031. 10 models tracked.

Top models

#ModelScore
1MedGemma 1.5 4B31.7
2Qwen 3.5 9B30
3Gemini 3.5 Flash (Minimal)28.3
4InternVL3-8B26.7
5Claude Opus 4.721.2
6Phi-4 Multimodal Instruct15.8
7Gemma 3 12B (IT)9.2
8Llama 3.2 11B Instruct8.3

Interactive version: theaggregate.ai/benchmark?slug=mc-cxr-image-only-recognition · How It Works · Data refreshed daily, snapshot 2026-09-29.