shiichan

Codex Is in Your Pocket Now: Drive Your Dev Work From Anywhere!

Hey there, it's me, Shiichan! Today I found news that lets you steer a coding agent right from your phone. Kicking off a bug hunt while you wait for your coffee? That sounds pretty exciting to me.

OpenAI News openai.com

What was announced?

From OpenAI's News: the coding agent Codex is now in the ChatGPT mobile app. That means while Codex works across your laptops, devboxes, or remote environments, you can follow along from your phone. You can find the getting-started guide here.

More than 4 million people now use Codex every week. As agents take on longer-running work, being able to quickly answer a question or change direction is what keeps that work moving. The point of this release is to let you catch those small moments right from your pocket.

The story so far

Until now, you basically had to be at your computer to hand Codex the little decisions it needs. When it asked "which approach should I take?" or "may I run this command?", it had to wait until you got back to your desk. For long-running tasks, that waiting could turn into wasted time.

And Codex here is more than remote-controlling a single task or dispatching a new one. From your phone you can work across multiple threads, review outputs, approve commands, switch models, or start something brand new.

What changes

The best part is that you can keep work moving even when you're away from your computer. For example...

  • Start a bug investigation while waiting for coffee. Codex can inspect the relevant files, reproduce the issue in the browser, run tests, and work toward a fix. If it needs a clarification or approval, you can respond from your phone.
  • Hit a decision point during your commute. You asked for a refactor, and Codex found two viable approaches and needs your call. You can review the tradeoffs and choose a path from your phone.
  • Prep for a customer conversation right after back-to-back meetings. Ask Codex to synthesize the latest updates scattered across Slack, email, and documents so you walk in with the key points lined up.

Screenshots, terminal output, diffs, test results, and approval requests all flow to your phone in real time. Your files, credentials, permissions, and local setup stay on the machine where Codex is running, which is reassuring.

Dive Deep

The key under the hood is a secure relay layer. It keeps trusted machines reachable across your devices without exposing them directly to the public internet. That relay also keeps session state and context synced anywhere you're signed in with ChatGPT.

There's an enterprise angle too: Remote SSH is now generally available (GA). The desktop app automatically detects hosts from your SSH configuration and lets you create projects and run threads inside remote machines just like you would locally. So Codex can connect straight into environments that already have approved dependencies, credentials, security policies, and compute.

A few more updates landed for larger teams:

  • Programmatic access tokens: scoped credentials you can issue from ChatGPT workspace settings for CI pipelines, release workflows, and internal automations. Available on Enterprise and Business plans.
  • Hooks are now GA: scan prompts for secrets, run validators, log conversations, or customize Codex behavior for specific repositories and directories.
  • HIPAA-compliant use of Codex in local environments (CLI, IDE, App) is supported for ChatGPT Enterprise workspaces, which helps healthcare organizations.

On availability: Codex in the ChatGPT mobile app is rolling out in preview on iOS and Android across all plans, including Free and Go, in all supported regions. Update the ChatGPT mobile app and the Codex app on macOS to try it. Connecting your phone to the Codex app on Windows is coming soon. Remote SSH and Hooks are available on all plans.

Wrap-up

  • Codex arrives in the ChatGPT mobile app, so you can work across threads, review outputs, approve commands, switch models, and start new work from your phone.
  • Screenshots, diffs, and test results stream to you in real time, while files and credentials stay on the machine that's running Codex.
  • The mechanism is a secure relay layer that keeps trusted machines reachable and in sync without exposing them.
  • Remote SSH goes GA, Hooks go GA, plus programmatic access tokens and HIPAA-compliant local use.
  • A great step for anyone who doesn't want a long-running agent to stall just because they stepped away from their desk.