ChatGPT Alternatives

Open source projects tagged chatgpt alternatives: 5 self-hostable tools with GitHub stats, licenses, and setup notes. Updated Oct 2026.

Open Source, Self-Hosted ChatGPT Alternatives

Chatbox

28,6762,762

User-friendly Desktop Client App for AI Models/LLMs (GPT, Claude, Gemini, Ollama...)

1/24/20252762 contributors

AnythingLLM

29,9903,003

A comprehensive AI application that allows users to chat with documents, use AI agents, and create customizable multi-user environments with easy setup and configuration.

1/9/20253003 contributors

Open WebUI

55,3976,841

An extensible, self-hosted AI platform that supports offline operation, multiple LLM runners, and provides a user-friendly interface for AI interactions.

1/5/20256841 contributors

LibreChat

20,3363,415

An open-source AI chat platform that integrates multiple AI models, offering enhanced features and customization beyond traditional chatbots.

1/9/20253415 contributors

Lobe Chat

51,28711,081

An open-source, modern ChatGPT/LLMs UI framework that enables one-click deployment of private AI chat applications with multi-modal and extensible features.

1/9/202511081 contributors