Meet GPT-Red: an LLM super-hacker OpenAI built to make its models safer
OpenAI has developed GPT-Red, a specialized LLM designed to act as an automated 'super-hacker' adversary, stress-testing its other models against cyberattacks and safety vulnerabilities. The system was deployed during the training of GPT-5.6, which OpenAI claims is now its most cybersecurity-robust model to date. This marks a significant shift from manual red-teaming—traditionally performed by human security testers—toward scalable, automated AI safety evaluation, potentially accelerating the pace at which vulnerabilities can be discovered and patched. AI safety researchers, enterprise security teams, and regulators will be closely watching whether automated red-teaming becomes an industry standard, and whether it can keep pace with increasingly capable models.