PSF-Med - Frontier Hardest 500 - MIMIC-CXR: leaderboard
Metric: Paraphrase Flip Rate (%). Source: huggingface.co. 6 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Haiku 4.5 | 5.21 |
| 2 | Kimi K3 (Low) | 6.85 |
| 3 | Claude Opus 5 (Thinking) | 7.88 |
| 4 | GPT-5.6 Sol (Low) | 8.93 |
| 5 | Claude Opus 5 (Non-reasoning) | 9.3 |
| 6 | GPT-5 Mini (Low) | 11.18 |
Interactive version: theaggregate.ai/benchmark?slug=psf-med-frontier-hardest-500-mimic-cxr · How It Works · Data refreshed daily, snapshot 2026-09-19.