# Jan

The `jan` provider connects to the [Jan](https://jan.ai/) local server.

1. [Jan](https://jan.ai/)

2. Open Jan and download the models you plan to use. You will find the model identifier in the model description page.

3. Click on the **Local API Server** icon (lower left), then **Start Server**.

   Keep the desktop application running!

To use Jan models, use the `jan:modelid` syntax. If you change the default server URL, you can set the `JAN_API_BASE` environment variable.

.env

```txt
JAN_API_BASE=http://localhost:1234/v1
```

### Limitations

* Ignore prediction of output tokens
* top\_p ignored