OpenAI Launches GPT-5.6-Cyber for Automated Zero-Day Discovery and Exploit Generation
OpenAI has introduced GPT-5.6-Cyber, a specialized large language model (LLM) engineered to bypass standard safety refusals inherent in general-purpose models. Utilizing a reduced-refusal training architecture, the model is optimized for high-fidelity security reasoning, enabling the identification of zero-day vulnerabilities and the automated construction of complex exploit chains. Reports indicate a 95% completion rate for advanced cybersecurity tasks. While access is currently restricted to a select group of security partners to mitigate immediate risk, the deployment of AI-driven automated hacking agents signals a fundamental shift in the threat landscape, necessitating advanced defensive postures against autonomous, agentic exploitation.