HLE-Diamond - Knowledge: leaderboard
Metric: Accuracy (%, 500 knowledge questions, no tools). Source: lastexam.ai. Saturation forecast: Around March 2028. 19 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 5.5 (Max) | 52.6 |
| 2 | GPT-6 (Max) | 50.8 |
| 3 | Claude Opus 5.5 (High) | 46.8 |
| 4 | Claude Fable 5.1 (Max) | 45.8 |
| 5 | GPT-6 (High) | 45.6 |
| 6 | Claude Fable 5.1 (High) | 40.6 |
| 7 | Claude Opus 5 (Max) | 34.8 |
| 8 | Claude Opus 5 (High) | 30.2 |
| 9 | Gemini 3.8 Flash (High) | 30 |
| 10 | GPT-6 Sol (Max) | 29.2 |
| 11 | GPT-5.6 Sol (Max) | 28.8 |
| 12 | Muse Spark 1.3 (Max) | 24.6 |
| 13 | GPT-5.6 Sol (High) | 23.6 |
| 14 | GPT-6 Sol (High) | 23.4 |
| 15 | Muse Spark 1.3 (High) | 19.2 |
Interactive version: theaggregate.ai/benchmark?slug=hle-diamond-knowledge · How It Works · Data refreshed daily, snapshot 2026-09-26.