Choosing an execution host
Compare a local Codex workspace with a cloud task, including laptop sleep, project files, dependencies and continuing from another device.
Read the guide : Codex cloud vs local: where should your work run?Working while you are away
Separate an always-on computer from a Codex task that is still making progress. Plan for sleep, approvals, usage limits, failures and recovery.
Read the guide : Can you run Codex 24/7? What keeps a task movingReturning to unfinished work
Use the Codex CLI session picker, --last and a session ID, then check the project files and execution state before continuing interrupted work.
Read the guide : How to resume a Codex session without losing your placeSwitching computers
Understand remote access, cloud tasks and cross-machine handoff before moving a Codex conversation. Compare what happens to context, code and the execution host.
Read the guide : Codex session sync: continue on another computerPhone and cloud access
Use Codex from a phone through a connected computer or a cloud task. Learn which setup needs your laptop online and how to return to the same conversation.
Read the guide : Codex on mobile: continue from your phonePublished by the independent CodexAnywhere project. Our session-sync product is still in development. Guides distinguish documented features from untested workflows.