jan
by janhq
Jan is an open-source alternative to ChatGPT that runs entirely on your computer, providing full control and privacy.
- Stars
- 45.1k
- Licence
- Apache-2.0
- Runs on
- Your computer, with a GPU
- Setup
- Easy
- Language
- Rust
- Age
- 1166 days
What you can do with it
- Chat with AI
- Run local AI models
- Create custom AI assistants
Could replace
- ChatGPT
- Claude
Our suggestion based on what it does, not a feature-by-feature comparison.
Ways a business could use it
- Save on AI hosting costs
- Maintain data privacy for sensitive business communications
Can you use it commercially?
Free to use, change and sell (Apache 2.0 in the licence file). Some folders may carry other terms.
Not legal advice. Read the project's licence file before building a product on it.
Getting it running
Download and run from jan.ai or GitHub Releases
Follow the official instructions in the project README.
Part of these stacks
Checked 26 Oct 2026. Summary drafted by AI from the project's README.