ChatGPT: The Best Open-Source Alternatives

ChatGPT is OpenAI's AI assistant that answers questions, drafts and revises text, and researches information on the web. It also supports work with documents, presentations, and spreadsheets.

In the directory, ChatGPT is listed in the «AI Chat Interfaces» category.

Here you can find open-source alternatives, and separately marked source-available alternatives, to «ChatGPT» (external link) in the category «AI Chat Interfaces».

In the Category «AI Chat Interfaces»

AnythingLLM

AnythingLLM lets you ask questions about your own documents and work with AI agents. Teams share workspaces and control access through roles.

  • AI Chat

LibreChat

LibreChat brings different language models together in one chat interface. Custom assistants search documents and use connected tools.

  • AI Chat

Open WebUI

Open WebUI connects local and external language models in a self-hostable chat interface with document knowledge and tools.

  • AI Chat