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OpenAI Launches GPT-5.6-Cyber for Authorized Security Research via Daybreak Program

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OpenAI has introduced GPT-5.6-Cyber, a specialized AI model built for professional cybersecurity tasks including vulnerability discovery, exploit validation, and security testing. The model is accessible through OpenAI's Daybreak Red tier, which is restricted to approved defenders and security researchers. GPT-5.6-Cyber achieved a 95% completion rate on OpenAI's internal Advanced Cybersecurity evaluation, far surpassing its predecessor GPT-5.5-Cyber at 57.3%. The model assisted researchers in identifying vulnerabilities in Chrome's V8 JavaScript engine, though benchmark results were mixed across other tests. OpenAI's Daybreak program maintains controlled access and human oversight to ensure the technology is used responsibly in defensive security environments.

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