SealedBench — leaderboard
Metric: Capability Index. Source: sealedbench.com. 29 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Fable 5 | 71 |
| 2 | GPT-5.6 Sol | 69 |
| 3 | Claude Opus 5 | 69 |
| 4 | Kimi K3 | 68 |
| 5 | Claude Opus 4.8 | 67 |
| 6 | GPT-5.6 Terra | 66 |
| 7 | Claude Opus 4.6 | 65 |
| 8 | Grok 4.5 | 64 |
| 9 | GPT-5.6 Luna | 63 |
| 10 | GPT-5.5 | 62 |
| 11 | Claude Sonnet 4.6 | 61 |
| 12 | GLM-5.2 | 60 |
| 13 | Muse Spark 1.1 | 60 |
| 14 | Gemini 3.6 Flash | 59 |
| 15 | Gemini 3.1 Pro (Preview) | 57 |
Interactive version: theaggregate.ai/benchmark?slug=sealedbench · How It Works · Data refreshed daily, snapshot 2026-07-25.