OpenAI Codex Now Available in ChatGPT Mobile App for All Users
OpenAI has previewed Codex on the ChatGPT Android and iOS apps, letting every user—including free‑tier accounts—manage, approve, and run code from their phone via a secure relay layer, remote SSH support, and new workflow hooks.
OpenAI announced that Codex is now integrated into the ChatGPT mobile application, with preview releases for both Android and iOS. The feature is open to all users, including those on the free plan.
The update emphasizes a higher synchronization rate, allowing developers to approve code, assign tasks, and monitor execution from any location, which the community described as a qualitative shift.
Typical mobile‑first workflows include:
Investigating bugs while waiting for coffee: Codex runs in the developer’s environment, reproduces issues, runs tests, and proposes fixes, with approvals handled directly on the phone.
Making a critical decision during a commute: Codex presents multiple refactoring options; the developer can weigh trade‑offs on the phone and let the chosen solution continue processing.
Preparing for fast‑paced client conversations: Codex aggregates recent updates from Slack, email, and documentation, flags open items, and drafts a concise briefing.
Capturing inspiration on the go: New threads or ideas can be added to an ongoing Codex project from lunch or a walk, ensuring the AI begins work before the developer returns to the desk.
Under the hood, Codex uses a secure relay layer that keeps the trusted machine hidden from the public internet while preserving session state and context across all devices logged into ChatGPT.
Codex can execute tasks on the developer’s laptop, MacMini, devbox, or any remote environment. With the official remote‑SSH release, Codex automatically discovers hosts from the SSH config, allowing project creation and thread execution on remote machines as if they were local.
OpenAI also outlined upcoming enhancements: programmatic access tokens for CI/CD pipelines, universally available Hooks for secret scanning, validation, logging, memory creation, and HIPAA‑compliant usage of Codex in medical settings.
The mobile rollout covers iOS and Android for all subscription tiers; users must update the ChatGPT app and the desktop Codex client. A Windows‑phone connection feature is slated for a later release.
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