About Chat AI Desktop App
An unofficial open-source ChatGPT desktop application for macOS, Windows, and Linux. Built with Tauri and Rust, it runs in the system menubar for quick access. Users set their own OpenAI API key. No data is transferred; it is a wrapper for the ChatGPT web interface. Available as a lightweight download (~2-4 MB).
Key Features
Cross-platform support for macOS, Windows, and Linux
System menubar integration for quick access
Open source with MIT license
Built with Tauri and Rust for lightweight performance
Uses user-provided OpenAI API key
ChatGPT web UI wrapper with no data transferred
Pros & Cons
Pros
- Free and open source
- Lightweight downloads (2-4 MB)
- Cross-platform (Mac, Windows, Linux)
- Menubar integration for quick access
- No account login required – uses own API key
- Source code available for auditing and customization
Cons
- Requires a paid OpenAI API key to use
- Unofficial – not affiliated with OpenAI
- macOS app may show 'developer cannot be verified' requiring manual override
- Limited to ChatGPT functionality (no plugin support)
Best For
Accessing ChatGPT on desktop via menubarPrivacy-conscious users who want to use their own API keyUsers preferring a native app over browser tabDevelopers looking for an open-source ChatGPT client to modify or learn from
FAQ
Is it safe to login with my account in the app?
Yes, it is safe. No data is transferred in the app (users can check the source). It is just a wrapper for the Chat AI website.
I cannot open the MacOS app because developer cannot be verified?
In Finder, control-click the app icon and select Open from the shortcut menu, then click Open. (https://support.apple.com/en-sg/guide/mac-help/mh40616/mac)