Mercor APEX: leaderboard
Metric: Best Pass@1 (%). Source: www.mercor.com. 55 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Fable 5.1 | 47.4 |
| 2 | GPT-6 | 46.7 |
| 3 | Claude Fable 5 | 45 |
| 4 | Claude Opus 5 | 43.5 |
| 5 | Claude Opus 4.8 | 42.5 |
| 6 | Muse Spark 1.1 | 41.9 |
| 7 | GPT-5.2 | 41.8 |
| 8 | Grok 4.6 | 41.2 |
| 9 | GPT-5.6 Sol | 40 |
| 10 | Kimi K3 | 39.3 |
| 11 | GPT-5.5 | 38.5 |
| 12 | GLM-5.2 | 35.6 |
| 13 | DeepSeek V4 Flash | 35 |
| 14 | GPT-5.4 | 34.9 |
| 15 | Grok 4.5 | 34.2 |
Interactive version: theaggregate.ai/benchmark?slug=mercor-apex · How It Works · Data refreshed daily, snapshot 2026-09-05.