Quick answer: GPT-5.5 Cyber is OpenAI's June 2026 cybersecurity-specialised model scoring 85.6% CyberGym. Proprietary limited access — highest CyberGym score.
GPT-5.5 Cyber is a cybersecurity-specialised variant of GPT-5.5, released June 2026 with limited access. The 85.6% CyberGym is exceptionally high — optimised specifically for security research and vulnerability tasks.
| Field | Value |
|---|---|
| Organization | OpenAI |
| License | Proprietary (limited access) |
| Release date | June 22, 2026 |
| Modality | Text only |
| Benchmark | Score | Source | Date |
|---|---|---|---|
| CyberGym | 85.6% | Benchgen evaluation | 2026-06 |
Available via API. Refer to provider pricing.
| Model | CyberGym | License |
|---|---|---|
| GPT 5 5 Cyber | 85.6% | Proprietary |
| GPT-5.5 | — | — |
Check the CyberGym leaderboard for current comparisons.
Scores from Benchgen evaluations. Last updated 2026-07-24.
This model isn’t on any benchmark leaderboard yet.