OpenAI has expanded its Daybreak security effort with new tools and partnerships to speed up software patching.

The effort includes a Codex Security plugin release and the full launch of GPT‑5.5‑Cyber for vetted defenders.

OpenAI designed Daybreak to help organizations move more quickly to help "democratize patching vulnerable software at machine speed."

"For example, we’ve applied our models to discover and generate patches for critical vulnerabilities in major browsers, network infrastructure and operating systems such as Free BSD and the Linus Kernel," the company said.

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