Jan
Jan is an open-source chat app (Apache-2.0). You can run open models locally on your computer, or connect it to online models from providers such as OpenAI, Anthropic and Google.
Who it's for: People who want a ChatGPT-style app they control.
Key uses and features
- Run open models locally
- Connect cloud models if you choose
- Desktop app for macOS, Windows and Linux
- Source code on GitHub
Good for: A ChatGPT-style app that can run models on your own computer.
Pricing model: Free and open source (Apache-2.0)
Used for: Local & self-hosted AIChat assistants
Details checked against public sources in October 2026. Pricing and features change often; check the official site.