Free open-source way to use ChatGPT/Codex subscription in Cursor

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Hi everyone,

I wanted to share a free open-source project that lets you use your existing ChatGPT / Codex monthly subscription inside Cursor:

https://github.com/gabrii/Cursor-Azure-GPT-5

The idea is simple: if you already pay for ChatGPT / Codex, this helps you bring that subscription into your Cursor workflow instead of paying for or managing extra model access elsewhere.

It also supports Azure OpenAI, but I mainly wanted to highlight the ChatGPT / Codex subscription use case, because I think many developers here already have one and would love to use it directly while coding in Cursor.

Why it’s useful:

  • use the subscription you already pay for

  • keep working inside Cursor

  • free and open source

  • no Cursor fork or app modification needed

  • Azure support is included too, but it’s not the main point of this post

Repo here:

https://github.com/gabrii/Cursor-Azure-GPT-5

Hope this helps someone. Curious to hear feedback from anyone who tries it.

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You can try the “Ungate” extension for Cursor. It lets you use your Claude and ChatGPT subscriptions in Cursor.

Installation and setup guide: How to use ChatGPT subscription in Cursor
GitHub: https://github.com/orchidfiles/ungate