Sep 29, 2026
OpenAI announces Codex cloud environments, Decisions API and Ultrafast tier at DevDay 2026
At DevDay 2026 in San Francisco, OpenAI unveiled major updates including reusable cloud development environments for Codex, automatic security scanning for GitHub repositories, a new Decisions API for fast single decisions, Computer Use support in the Agents API, and an Ultrafast premium tier promising up to eight times faster performance.
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