AA GPQA Diamond: leaderboard
Artificial Analysis independent evaluation of GPQA Diamond: 198 hardest graduate-level science questions where PhD experts achieve only 65%.
Metric: Accuracy (%). Source: artificialanalysis.ai. Status: saturated. 611 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-6 (xHigh) | 96.26 |
| 2 | GPT-6 (Max) | 96.06 |
| 3 | Gemini 3.8 Flash (High) | 95.25 |
| 4 | Grok 4.6 (High) | 94.95 |
| 5 | GPT-6 (High) | 94.95 |
| 6 | Gemini 3.7 Flash (High) | 94.55 |
| 7 | Gemini 3.1 Pro (Preview) | 94.14 |
| 8 | GPT-5.6 Sol (Max) | 94.14 |
| 9 | Muse Spark 1.3 (xHigh) | 94.14 |
| 10 | GPT-6 (Medium) | 93.94 |
| 11 | Muse Spark 1.3 (Max) | 93.84 |
| 12 | Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 93.74 |
| 13 | Claude Opus 5 (Adaptive Reasoning, High Effort) | 93.74 |
| 14 | Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) | 93.74 |
| 15 | GPT-5.5 (xHigh) | 93.54 |
Interactive version: theaggregate.ai/benchmark?slug=aa-gpqa-diamond · How It Works · Data refreshed daily, snapshot 2026-09-05.