OpenAi

OpenAI is rolling out GPT-5.4 today across ChatGPT, its API, and Codex, positioning it as its most capable and efficient model for professional work. The company is also introducing GPT-5.4 Pro in ChatGPT and the API for users who want maximum performance on complex tasks.

OpenAI has introduced Codex Security in a research preview, positioning the tool as an early look at how AI could help teams spot security issues in software code before they ship. The announcement frames Codex Security as part of the broader Codex effort, with a focus on identifying potential vulnerabilities and assisting with security-oriented code review.