OpenAI introduces new AI model and initiative to bolster open-source cybersecurity.

OpenAI has launched GPT-5.5-Cyber, an advanced AI model aimed at identifying and patching software vulnerabilities. This release is part of the expanded Daybreak cybersecurity initiative. The company also partnered with Trail of Bits on 'Patch the Planet' to secure critical open-source projects, reducing the workload for maintainers.