Hiding face is a company that lets you train models in the cloud. The idea is to have a general model and then apply some sort of transfer learning to build up a more specialized one, without training from scratch. It's just like trained to learn representations of data. Psychi learn is kind of like the the old school library thats spit around forever with likes tupport vector machines or random forest, or caters neighbors. You can easily get like, like, load up burk basically, and fine tunic on your data with hugging face.