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OpenAI releases the full version of GPT-5.5-Cyber, a cybersecurity-focused AI model with state-of-the-art performance on CyberGym, and announces efforts to improve security through Patch The Planet and Codex Security.
OpenAI expands its Daybreak suite with a Codex Security plugin, the full GPT-5.5-Cyber model for defenders, a Cyber Partner Program, and the Patch the Planet initiative to accelerate vulnerability discovery and patching at machine speed.
OpenAI launches Patch the Planet, a full-scale effort with Trail of Bits and HackerOne to help open-source projects patch vulnerabilities using AI tools, alongside other cybersecurity announcements including an improved GPT-5.5-Cyber model and expanded government access.
OpenAI expands Daybreak with new tools (Codex Security plugin, GPT-5.5-Cyber model) and the Patch the Planet initiative to help democratize patching vulnerable software at machine speed, addressing the shift from finding to patching vulnerabilities.