Neowin News Feed for: Gpt-5.5-cyber

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

Pradeep Viswanathan — Tue, 23 Jun 2026 04:38:01 +0000

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its predecessors and Claude Mythos 5 in security benchmarks like CyberGym. Read more...

OpenAI announces Daybreak to bring frontier AI into cybersecurity workflows

Pradeep Viswanathan — Tue, 12 May 2026 07:48:01 +0000

Built upon OpenAI's frontier models and utilizing Codex as an agentic execution layer, Daybreak enables security teams to identify, validate, and remediate vulnerabilities quickly than before. Read more...

OpenAI doubles down on cyber defense: GPT-5.5-Cyber limited preview now available

Pradeep Viswanathan — Fri, 08 May 2026 08:22:01 +0000

GPT-5.5-Cyber is specifically engineered for high-risk, specialized workflows. Available in a limited preview for critical infrastructure defenders. Read more...