Works with your ChatGPT plan
Coding
Pi
A terminal coding-agent harness built for extensibility.
Pi is a terminal coding agent with themes, extensions, sessions, tools, and multiple model providers.
ChatGPT plansPlus, Pro
Available onTerminal
Best forCoding
If you reach your limitThe app does not clearly explain this yet
What you can do
Codex-model requests in Pi use the allowance attached to the authenticated ChatGPT subscription.
Good to know
Pi does not document automatic switching to a separately billed provider at the plan limit.
- ChatGPT limits
- Model availability and plan limits are controlled by OpenAI. API-key providers remain separate.
- Possible extra cost
- Another provider can be selected manually and may require its own key or subscription.
How to get started
- 01
Install and launch Pi.
- 02
Run the login command and choose OpenAI Codex.
- 03
Complete ChatGPT authentication and select an available model.
The app itself may have a separate price. ChatGPT plan limits and availability can change.