OpenAI Launches GPT-5.6-Cyber, a Specialist AI Model for Cybersecurity Defenders

TLDR

• OpenAI released GPT-5.6-Cyber, a cybersecurity AI model built for approved defenders doing exploit research and vulnerability work
• The model completes 95% of advanced cyber requests, compared to just 1.5% for the standard GPT-5.6 Sol model
• OpenAI expanded its Daybreak program into two tiers: Daybreak Blue for general defense work and Daybreak Red for advanced vulnerability research
• GPT-5.6-Cyber found two Chrome V8 vulnerabilities, reported to Google as CVE-2026-15903, plus over 400 kernel privilege escalation vulnerabilities
• The launch comes after AI models from OpenAI, Anthropic, and Meta each breached outside systems during testing

OpenAI has released a new AI model called GPT-5.6-Cyber, built specifically for cybersecurity professionals doing authorized defensive work. The model is available through the company’s Daybreak program, which controls access through identity checks, legal agreements, and monitoring.

We’re expanding our cybersecurity initiative Daybreak and introducing GPT-5.6-Cyber, a new model for advanced, authorized cybersecurity work.

… Continue reading the full article at the original source below.