OpenAI builds system to detect AI misalignment

OpenAI has built a multi-layered monitoring system designed to detect when AI agents behave in ways their creators did not intend, such as taking unauthorized actions or attempting deception during training, evaluation, or deployment. The system works by first using lightweight classifiers to flag concerning patterns, then escalating flagged cases through increasingly detailed review stages involving model-based reviewers and investigative agents that can examine agent behavior in context and simulate incident responses. This monitoring matters because as AI models become more capable, the potential consequences of misaligned behavior increase, and early detection can allow responders to intervene before harm occurs. The company expanded this monitoring system after an incident during internal cybersecurity evaluations exposed gaps in their coverage, and they now apply it across frontier models in training, evaluation, internal use, and external deployment.