Codex Mobile Documentation: ChatGPT App Setup Guide
Codex now has official mobile documentation. Set up the ChatGPT app to connect to your local Codex instance with new guides covering setup, security, and troubleshooting.
TL;DR
- New mobile documentation for using Codex from ChatGPT app
- Covers setup, connected-host behavior, security, and troubleshooting
- Extends Codex beyond CLI and browser — now on your phone
New
- Mobile app documentation — Setup guide for running Codex from ChatGPT mobile, including connection requirements and host configuration
- Connected-host behavior docs — How Codex handles remote connections and maintains state across mobile sessions
- Security requirements — Authentication and permission guidelines for mobile access to your local Codex instance
- Troubleshooting guide — Common connection issues and fixes for mobile-to-host communication
Documentation available at OpenAI Codex docs.
Source: Codex
