Open-source alternatives to Claude

4 projects you can self-host, audit and use for free — ranked by community votes.

1. 1

   LibreChat

   The open-source AI chat platform for every model

   Claude vs LibreChat
2. 2

   Ollama

   Run large language models locally

   Claude vs Ollama
3. 3

   Open WebUI

   Self-hosted AI chat interface that works with any LLM

   Claude vs Open WebUI
4. 4

   Jan

   An open-source ChatGPT alternative that runs 100% offline

   Claude vs Jan

Looking for more? Browse every open-source app