#daybreak


OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

Jun 23, 2026 // 07:04

OpenAI on Monday said it’s releasing an improved version of its GPT‑5.5‑Cyber model to trusted defenders as part of the Daybreak initiative, the artificial intelligence […]

OpenAI Launches Daybreak for AI-Powered Vulnerability Detection and Patch Validation

May 12, 2026 // 10:18

OpenAI has launched Daybreak, a new cybersecurity initiative that brings together frontier artificial intelligence (AI) model capabilities and Codex Security to help organizations identify and […]