OpenAI is launching Daybreak, an AI initiative focused on detecting and patching vulnerabilities before attackers find them. Daybreak uses the Codex Security AI agent that launched in March to create a threat model based on an organization's code and focus on possible attack paths, validate likely vulnerabilities, and then automate the detection of the higher risk ones. Its launch comes just over a month after rival Anthropic announced Claude Mythos, a security-focused AI model it claimed was to