GPT-5.5-Cyber
OpenAI · 2026-06-22
GPT-5.5-Cyber is OpenAI's restricted-access GPT-5.5 variant for advanced, authorized cybersecurity work, with more permissive behavior and stronger vulnerability-finding and patching capability. The full version launched through a continued limited release to verified defenders in June 2026 after an initial permissive-only preview.
Benchmark scores
| Benchmark | Score |
|---|---|
| CyberGym | 85.6 |