Is there an open-source alternative to ChatGPT?

Yes. OpenClaw, Open WebUI, Jan are open-source AI chat assistant alternatives to ChatGPT that you can self-host.

Can I self-host a ChatGPT alternative for free?

Each option here is open source and self-hostable. Star counts and growth are tracked live on Repository Radar.

// alternatives

Open-source alternatives to ChatGPT

3 open-source AI chat assistant alternatives to ChatGPT we track, each self-hostable, with live GitHub metrics and a get-it block. These are our picks, not a scrape of GitHub trending. Also replaces Claude, Gemini.

🦀OpenClaw BREAKOUT ACTIVE

openclaw/openclaw

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

384k

+ 59k/mo (+1501%/mo) since covered

TypeScript

🖥️Open WebUI ACTIVE

open-webui/open-webui

User-friendly AI Interface (Supports Ollama, OpenAI API,...)

147k

+ 4k/mo (+4%/mo) since covered

Python

🧠Jan ACTIVE

janhq/jan

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

44k

+ 809/mo (+2%/mo) since covered

TypeScript