Mercor APEX — leaderboard
Metric: Best Pass@1 (%). Source: www.mercor.com. 49 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Fable 5 | 45 |
| 2 | Claude Opus 4.8 | 42.5 |
| 3 | Muse Spark 1.1 | 41.9 |
| 4 | GPT-5.2 | 41.8 |
| 5 | GPT-5.6 Sol | 39.9 |
| 6 | GPT-5.5 | 38.5 |
| 7 | GPT-5.4 | 36 |
| 8 | GLM-5.2 | 35.6 |
| 9 | Grok 4.5 | 34.2 |
| 10 | Claude Opus 4.7 | 33.9 |
| 11 | Gemini 3.1 Pro (Preview) | 33.5 |
| 12 | Claude Sonnet 5 | 32.5 |
| 13 | Claude Opus 4.6 | 32.4 |
| 14 | GPT-5.3 Codex | 31.8 |
| 15 | Gemini 3 Pro | 31.5 |
Interactive version: theaggregate.ai/benchmark?slug=mercor-apex · How the rankings work · Data refreshed daily, snapshot 2026-07-22.