ExploitGym Hardened

The same kind of intended-exploit test as ExploitGym on a remote target, with stronger defenses turned on, such as address randomization, stack canaries, the V8 sandbox, and stricter kernel settings. Higher is better.

GPT-6 Cyber by OpenAI holds the best ExploitGym Hardened result among tracked models, at 36.94% (released Nov 5 2026). Higher scores are better on this benchmark.

1. GPT-6 Cyber (OpenAI) — 36.94%.

1 tracked model has a published ExploitGym Hardened score. Scores are collected from published lab reports and benchmark sources, with recorded sources credited alongside the results. We do not re-run the evaluations.