OpenAI's New Daybreak Platform Uses GPT-5.5 to Find Software Vulnerabilities

OpenAI today launched Daybreak , an answer to Anthropic's Project Glasswing initiative and Mythos AI model. Like Glasswing, Daybreak is a cyber defense effort that will help tech companies find security vulnerabilities in their platforms. OpenAI says Daybreak is aimed at building cyber defense into software from the start.