releasePRIMARY2026-05-11
OpenAI launches Daybreak with GPT-5.5-Cyber, Codex workflows, and repo scanning
OpenAI launched Daybreak, combining GPT-5.5, Codex workflows, repo scanning, threat modeling, and patch generation for cyber-defense teams. It packages frontier models into a continuous secure-software workflow, so teams can test whether it fits their response pipeline.