Decisions API

OpenAI shipped a Decisions API at DevDay 2026 that returns one answer from a fixed list of valid options in about 150 milliseconds, using a specialized variant of GPT-6 Luna tuned for constrained clas…

OpenAI launched the Decisions API, a constrained decision-making interface powered by its Luna model that supports visual inputs and is tuned for end-to-end decisions in less than a few hundred millis…

At DevDay 2026, OpenAI expanded Codex with reusable cloud environments, automatic security scans for GitHub repositories, and a code review view in the desktop app, while adding Computer Use support t…