Extend Zo
Codex
Use your OpenAI Codex subscription with Zo
Codex is OpenAI's agentic coding tool, included with Plus and Pro plans. If you have a subscription, you can use it as an AI provider instead of Zo's built-in credits.
Setup#
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Open the terminal on your Zo and run
codexto start the login flow -
Select Sign in with Device Code

- You may need to enable device code authorization first in your ChatGPT account. Go to Settings > Security and toggle on Enable device code authorization for Codex.

- Codex will display a URL and a one-time code. Open the URL in your browser and enter the code to complete authentication.

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Go to Settings > AI Providers and enable Codex
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Select your preferred model

- Select "Codex" from the model picker in chat and you're set