Open WebUI vs Jan
A side-by-side comparison of two open-source tools to help you choose the right one.
| Feature | ||
|---|---|---|
| Summary | A polished, self-hosted chat UI for any LLM. | An offline AI assistant that runs on your device. |
| GitHub stars | 98K | 30K |
| License | MIT | AGPL 3.0 |
| Language | Python | TypeScript |
| Pricing | Free & Open Source | Free & Open Source |
| Self-hostable | ||
| Replaces | ChatGPT, Claude | ChatGPT, GitHub Copilot |
| Rating | 4.8 / 5 | 4.6 / 5 |
Open WebUI features
- Works with Ollama and any OpenAI-compatible endpoint
- Built-in RAG over uploaded documents and web pages
- Multi-user accounts with roles and permissions
- Model switching, prompt presets, and chat folders
- Fully offline once models are pulled locally
Jan features
- Runs open models entirely offline on CPU or GPU
- Cross-platform desktop app (macOS, Windows, Linux)
- Optional connection to remote model APIs
- Local API server compatible with OpenAI clients
- No telemetry by default