OpenAI announced GPT-5.6-Cyber, a specialized cybersecurity model, and introduced Daybreak Blue and Daybreak Red access tiers for authorized defenders.

Key Details

• Released GPT-5.6-Cyber tailored for advanced vulnerability research and dual-use cyber security tasks.
• Expanded OpenAI Daybreak into Daybreak Blue and Daybreak Red access tiers.
• Demonstrated real-world impact by finding zero-day vulnerability CVE-2026-15903 in Google's V8 engine.

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