OpenAI Blog

Daybreak: Tools for securing every organization in the world

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OpenAI introduces new Daybreak tools, including Codex Security and GPT-5. 5-Cyber, to help organizations find, validate, and patch vulnerabilities at scale.

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OpenAI Blog
Dec 18, 2025

Introducing GPT-5.2-Codex

GPT-5. 2-Codex is OpenAI’s most advanced coding model, offering long-horizon reasoning, large-scale code transformations, and enhanced cybersecurity capabilities.