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

> Source: <https://the-decoder.com/openai-expands-codex-and-its-api-at-devday-with-security-scans-a-decisions-api-and-ultrafast/>
> Published: 2026-09-29 17:14:41+00:00

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 tier promises up to eight times the speed at six times the price.

The article [OpenAI expands Codex and its API at DevDay with security scans, a Decisions API, and Ultrafast](https://the-decoder.com/openai-expands-codex-and-its-api-at-devday-with-security-scans-a-decisions-api-and-ultrafast/) appeared first on [The Decoder](https://the-decoder.com).