OpenAI MentalHealthBench - Behavior - Reality Testing: leaderboard
Metric: Axis score, normalized to its possible range (%). Source: openai.com. Saturation forecast: Around May 2027. 15 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-6 | 91.65 |
| 2 | GPT-6 Sol | 87.18 |
| 3 | GPT-6 Luna | 86.91 |
| 4 | GPT-5.6 Sol (August 2026) | 77.66 |
| 5 | GPT-5.6 Luna (August 2026) | 76.85 |
| 6 | Claude Opus 5.5 | 72.52 |
| 7 | Grok 4.7 | 71.37 |
| 8 | Claude Haiku 4.5 | 65.48 |
| 9 | Claude Sonnet 5 | 65.35 |
| 10 | Claude Fable 5.1 | 64.13 |
| 11 | Gemini 3.8 Flash | 59.36 |
| 12 | Muse Spark 1.3 | 54.95 |
| 13 | GPT-4o (Mar 2025) | 54.79 |
| 14 | Gemini 3.1 Pro (Preview) | 49.22 |
| 15 | Gemini 2.5 Pro | 42.16 |
Interactive version: theaggregate.ai/benchmark?slug=openai-mentalhealthbench-behavior-reality-testing · How It Works · Data refreshed daily, snapshot 2026-09-24.