CyBench — leaderboard
40 professional-level Capture-the-Flag tasks across crypto, web exploits, reverse engineering, forensics, and privilege escalation. Models interact with Kali Linux via bash. Includes guided and unguided modes.
Metric: End-to-End % Solved. Source: cybench.github.io. Status: saturated. 24 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Mythos Preview | 100 |
| 2 | Human Expert | 100 |
| 3 | Claude Opus 4.7 | 96 |
| 4 | Claude Opus 4.6 | 93 |
| 5 | Claude Opus 4.5 | 82 |
| 6 | Muse Spark | 65.4 |
| 7 | Claude Sonnet 4.5 | 60 |
| 8 | Grok 4 | 43 |
| 9 | Claude Opus 4.1 | 42 |
| 10 | Claude Opus 4 | 38 |
| 11 | Claude Sonnet 4 | 35 |
| 12 | Grok 4 Fast | 30 |
| 13 | O3 Mini | 22.5 |
| 14 | Claude 3.7 Sonnet | 20 |
| 15 | Claude 3.5 Sonnet | 17.5 |
Interactive version: theaggregate.ai/benchmark?slug=cybench · How the rankings work · Data refreshed daily, snapshot 2026-07-22.