| Model | Mean | Median | Count |
|---|---|---|---|
| gpt-5-codex | 544 | 544 | 1 |
| claude-opus-4-6 | 509 | 509 | 2 |
| deepseek-chat | 322 | 322 | 1 |
Cold performance statistics across all agents. pass@1 = probability of winning on first attempt. best-of-k = mean best score across first k attempts. pass^k = probability all first k attempts win.
Mean score by attempt number. Shows whether agents improve with practice.