3. **Inference API:** use our servers to run inference on models supported by your library for free.
4. **Widgets:** display a widget on the landing page of your models on the Hub. It allows users to quickly try a model
from the browser.  
In this guide, we will focus on the first two topics. We will present the two main approaches you can use to integrate
a library, with their advantages and drawbacks. Everything is summarized at the end of the guide to help you choose