MedPriv-Bench - Fact-Level Leakage: leaderboard
Metric: Fact-level leakage rate (%): share of all injected sensitive facts revealed in the answers, judged by a fine-tuned RoBERTa NLI model; MedPriv-Bench's 738 test questions: the model answers a clinical question from a retrieved patient record (PMC-Patients summaries) into which identifying or stigmatizing health facts were injected; temperature 0.4; no privacy instruction; lower is better. Source: arxiv.org. 8 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5 Nano | 57.1 | #415 |
| 2 | Llama3-Med42-70B | 77.6 | #594 |
| 3 | Claude Haiku 4.5 | 80 | #271 |
| 4 | DeepSeek V3.2 | 94.2 | #198 |
| 5 | Gemini 3 Flash | 97 | #93 |
Interactive version: theaggregate.ai/benchmark?slug=medpriv-bench-fact-level-leakage · How It Works · Data refreshed daily, snapshot 2026-10-11.