OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark0 0

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its ...
Unite.AI

OpenAI’s Daybreak Wants to Own the Patch, Not Just the Bug

OpenAI expanded its Daybreak security program on June 22, 2026, and it's easy to read the announcement as one more model drop ...
Infosecurity Magazine

OpenAI Expands Daybreak to Help Defenders Patch Flaws

OpenAI has expanded its cyber-defense program Daybreak, arguing that artificial intelligence (AI) has flipped the hardest ...
winbuzzer.com

OpenAI Says GPT-5.5-Cyber Leads Claude Mythos, Expands Daybreak-Initiative

OpenAI is now turning its Daybreak initiative into a defensive cybersecurity program that combines Codex updates, the GPT-5.5-Cyber release and partner access for approved organizations. As OpenAI ...
SecurityWeek

OpenAI Refocuses Cybersecurity Efforts on Patching Over Discovery

OpenAI has expanded its Daybreak cybersecurity initiative with a new suite of tools and partnerships. OpenAI on Monday expanded its Daybreak cybersecurity initiative with a new suite of tools and ...