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Prompta

Prompta is an open-source ChatGPT client renowned for its comprehensive features and cross-device sync capabilities. Key functionalities include the ability to search all chats offline, a keyboard-cen

  • Open source
  • Free forever
Prompta screenshot

What is Prompta?

Prompta is an open-source ChatGPT client that provides an alternative interface to OpenAI's standard chat application. Rather than relying on OpenAI's servers for storage, Prompta lets you keep all your conversations on your own device, which you then synchronise across your computers and phones. You supply your own API key, so you maintain control over your data and costs. The tool is built around keyboard efficiency, meaning you can handle and interact with chats quickly without heavy mouse use. It includes offline search across all your previous conversations, which is useful if you need to find something you discussed weeks ago. The interface automatically switches between light and dark modes based on your system settings. Being open-source means the code is publicly available on GitHub, so you can review how it works, modify it, or contribute improvements if you want to.

Key features

Offline search

Find any previous conversation across your entire chat history without needing to connect to the internet

Keyboard-centric interface

handle, send messages, and manage chats primarily through keyboard shortcuts for faster workflow

Cross-device synchronisation

Keep your chats in sync across multiple computers and phones by storing everything locally

Bring your own API key

Use your OpenAI API key directly, maintaining full control over your data and billing

Local chat storage

All conversations are stored on your device rather than on OpenAI's servers

Theme adaptation

Automatically switches between light and dark modes based on your system preferences

Pros & cons

Advantages

  • Complete data control; your chats never leave your devices
  • No subscription costs; you only pay OpenAI for the API calls you actually make
  • Open-source code means you can inspect, modify, or self-host if needed
  • Offline search lets you find past conversations without internet access
  • Keyboard-first design makes for faster interaction if you prefer not using the mouse

Limitations

  • Requires you to manage your own OpenAI API key and handle billing separately
  • Smaller community and fewer updates compared to OpenAI's official client
  • Offline search only works within your local database; you cannot search OpenAI's server-side chat history

Use cases

Privacy-conscious users who prefer keeping conversation history on their own machines

Developers and technical users who want to review the source code or modify the client

People managing costs by tracking exactly which API calls they make

Users who want to search their entire chat history offline without depending on internet connectivity

Teams using keyboard shortcuts heavily who benefit from a keyboard-centric design

Ready to try Prompta?

Pricing

Open Source

Free

Full access to all features. You only pay for OpenAI API usage through your own account.

Get started with Prompta

Click through to Prompta and start using it now.

  • Open source
  • Free forever