OpenAI expands Daybreak with GPT-5.5-Cyber and Patch the Planet

OpenAI Blog

GPT-5.5-Cyber scores 85.6% on CyberGym benchmark, up from 81.9%. Patch the Planet partners with Trail of Bits to help open-source maintainers patch vulnerabilities using Codex Security.

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OpenAI Blog

Jun 22, 10:00 AM