GPT-5.5-Cyber
GPT-5.5-Cyber is a released vision model; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating vision
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Strict JSON or tool-calling flows
- Teams that need a tracked hosted API route today
- Family
- GPT-5.5
- Released
- 2026-04-30
- Architecture
- Decoder Only
- Knowledge cutoff
- 2025-12
- Specialization
- cybersecurity
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
No tracked provider token pricing is available yet.
About
GPT-5.5-Cyber is OpenAI's cybersecurity-specialized variant of GPT-5.5, deployed through OpenAI Trusted Access for Cyber (part of the OpenAI Daybreak initiative). Announced in limited preview April 30, 2026 and formally released as part of Daybreak on June 22, 2026. Available only to vetted organizations through Trusted Access for Cyber — not a public API endpoint. On the CyberGym benchmark, GPT-5.5-Cyber scores 85.6%, surpassing GPT-5.5's 81.8%. The Daybreak initiative focuses on autonomous vulnerability discovery, validation, and patch automation at scale, including the Patch the Planet program for open-source maintainers.
GPT-5.5-Cyber is a proprietary model in the GPT-5.5 family. The structured metadata tracks multimodal input and reasoning. No headline benchmark score is tracked for GPT-5.5-Cyber yet.
Top use-case fit
Vision
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
Benchmark peer barsfor Vision
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Compare GPT-5.5-Cyber with other models
- GPT-5.5-Cyber vs DeepSeek V4 Pro259
- GPT-5.5-Cyber vs Mistral Large 263
- GPT-5.5-Cyber vs Qwen3.6-27B43
- GPT-5.5-Cyber vs Gemini 3.1 Flash-Lite37
- GPT-5.5-Cyber vs Mistral Large 3 675B Instruct20
- GPT-5.5-Cyber vs Gemini 3.1 Flash Lite Preview7
- GPT-5.5-Cyber vs Qwen3.5-397B-A17B6
- GPT-5.5-Cyber vs Qwen3.6 Max Preview3
Comparison and alternatives
Browse all comparisons →Frequently asked questions
When was GPT-5.5-Cyber released?
GPT-5.5-Cyber was released on 2026-04-30.