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OpenAI unveiled Daybreak, a restricted AI cybersecurity suite built on GPT-5.5 and Codex.

The tool helps trusted partners with vulnerability discovery, secure code review, threat modeling, malware analysis, patch validation, and authorized red teaming.

Access is limited to selected industry and government partners, and OpenAI did not disclose public pricing.

The launch pushes OpenAI deeper into cyber defense and puts it in closer competition with Anthropic’s security-focused AI offerings.