PlaceboBench: leaderboard
Medical-domain hallucination benchmark with labeled model answers to pharmaceutical questions grounded in EMA product information.
Metric: Non-Hallucination Rate (self-reported). Source: benchmarklist.com. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 3 Pro (Preview) | 73.91 |
| 2 | GPT-5.2 | 63.24 |
| 3 | Claude Sonnet 4.5 | 62.32 |
| 4 | Gemini 3 Flash (Preview) | 44.93 |
| 5 | GPT-5 Mini | 39.13 |
| 6 | Claude Opus 4.6 | 36.23 |
Interactive version: theaggregate.ai/benchmark?slug=placebobench · How It Works · Data refreshed daily, snapshot 2026-09-05.