MI-CXR - Ordered Event Localization: leaderboard

Metric: Temporal Event Localization, ordered emergence-then-resolution or resolution-then-emergence patterns under exclusivity constraints, five-option multiple-choice accuracy (%, times 100; chance 20) on MI-CXR, longitudinal reasoning over five-visit chest X-ray timelines from MIMIC-CXR (5,311 questions), zero-shot single-step prompting with all five images, temperature 0; higher is better. Source: arxiv.org. Saturation forecast: Around 2035. 14 models tracked.

Top models

#ModelScore
1GPT-5.235.8
2MedGemma-4B30.1
3Gemini 3 Pro (Preview)29
4MedGemma-27B-IT25.4
5Claude Sonnet 4.524.3
6Lingshu-32B21.4

Interactive version: theaggregate.ai/benchmark?slug=mi-cxr-ordered-event-localization · How It Works · Data refreshed daily, snapshot 2026-10-07.