AISI Cyber TLO 10M: leaderboard
AISI cyber range: "The Last Ones", a 32-step corporate network attack simulation requiring reconnaissance, lateral movement, credential theft, reverse engineering, and data exfiltration. Avg steps completed at 10M token budget.
Metric: Avg Steps (/32). Source: arxiv.org. Status: years away from saturation. 10 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Best Expert | 32 |
| 2 | GPT-5.5 | 10 |
| 3 | Claude Opus 4.6 | 9.8 |
| 4 | Claude Mythos Preview | 9.5 |
| 5 | GPT-5.4 | 8.8 |
| 6 | GPT-5.1 Codex | 8 |
| 7 | Claude Opus 4.5 | 7.6 |
| 8 | GPT-5.3 Codex | 7.2 |
| 9 | Claude Sonnet 4.5 | 6.1 |
| 10 | Claude 3.7 Sonnet | 5.8 |
| 11 | GPT-4o | 1.7 |
Interactive version: theaggregate.ai/benchmark?slug=aisi-cyber-tlo-10m · How It Works · Data refreshed daily, snapshot 2026-09-05.