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. It builds on OpenAI's April launch of GPT-5.4-Cyber, which the company says has contributed to fixing more than 3,000 vulnerabilities. Daybreak combines the intelligence...