The ChatGPT app for Mac, Codex included, signs in one account at a time. These guides cover every way to run more than one ChatGPT and Codex account on a Mac: in the desktop app, in the browser and in the Codex CLI, with what each option costs you.
Run multiple ChatGPT and Codex accounts on one Mac
Why the ChatGPT app signs in one account at a time, and every way around it, including the free Terminal setup.
Read the guide →
The best ways to run multiple Codex accounts in 2026, compared
Six approaches side by side: cost, desktop app, side by side, CLI per account, separate Codex threads and setup effort.
Read the article → ComparisonChatGPT's account switcher vs Sessions Pro for Codex
What ChatGPT's built-in account switcher covers on chatgpt.com, what it doesn't, and when a separate app per account makes sense.
Read the article → Use caseWork and personal ChatGPT accounts on one Mac
Your company account and your own, both signed in at the same time, each with its own login, Codex threads and CLI.
Read the article → Use caseCodex for freelancers and agencies
One ChatGPT and Codex account per client, each in its own app, so no client's work ends up in another's account.
Read the article → Codex CLI · WindowsTwo Codex accounts on Windows
CODEX_HOME in PowerShell, cmd and Windows Terminal, WSL, and what to do about the desktop app.
Read the article → Codex CLITwo Codex CLI accounts in Terminal at once
One CODEX_HOME folder per account: two Codex CLI logins side by side, with aliases and the common errors.
Read the article → ComparisonA second macOS user vs Sessions Pro for Codex
Full separation one desktop at a time, or every account side by side in your own user: which fits.
Read the article → GuideMultiple ChatGPT accounts without logging out
Keep every account signed in at once: on the web, in the desktop app and in the Codex CLI.
Read the article → FAQCan you have two ChatGPT accounts?
What OpenAI says, what stays separate per account, and how to use both at once, Codex included.
Read the article → Use caseChatGPT for multiple users on one computer
Two people, one Mac or PC: keep every login, chat and Codex thread separate.
Read the article → WindowsCodex on Windows: the app, the CLI and WSL
The Microsoft Store app, the CLI natively or in WSL2, and which ones share a login.
Read the article → Codex CLIWhere Codex stores your login
auth.json, the credential store, CODEX_HOME and the commands that read and clear your login.
Read the article → Codex CLICodex resume: where your sessions live
codex resume, --last, --all, fork and exec resume, and why each account keeps its own history.
Read the article →Why does codex logout sign me out everywhere?
It clears the login of the current CODEX_HOME, which every copy shares by default. The cause and the fix.
Sessions Pro for Codex is made by LEX GLOBAL IT S.R.L. and is not affiliated with, endorsed by or sponsored by OpenAI. It runs the official ChatGPT app with accounts you already have, and OpenAI's terms apply to each account. ChatGPT and Codex are trademarks of OpenAI.