OpenAI DevDay: Codex Gets Reusable Cloud Environments

3 articles • Started about 1 month ago • Last updated about 1 month ago

OpenAI expanded its Codex platform at DevDay on September 29, introducing reusable cloud environments that persist across devices and enable developers to maintain consistent coding contexts. The update also includes security scan capabilities, a new Decisions API, and an Ultrafast feature designed to accelerate development workflows. The cloud environment functionality allows developers to transition between devices without losing their workspace setup or project state.

Tuesday, September 29, 2026