OpenAI expands Codex and its API at DevDay with security scans, a Decisions API, and Ultrafast

At DevDay 2026, OpenAI gave Codex reusable cloud environments, automatic security scans for GitHub repositories, and a code review view in the desktop app. The Agents API now supports Computer Use, and a new Decisions API handles fast, single decisions. The Ultrafast premium…

To respect copyright, we link to the source rather than republishing the full text. Read the complete article on The Decoder.