OpenAI Blog

Expanding Daybreak as the Cyber Defense Window Narrows

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Meet GPT-5. 6-Cyber, OpenAI’s cybersecurity-specific model available through Daybreak Red for authorized vulnerability research, exploit validation, and security testing.

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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.