PyTorch is an open source project originally started by Meta (formerly Facebook) that moved to an open governance model at the Linux Foundation with the launch of the PyTorch Foundation in Sept 2022.

Its structure is graph-like ... that encapsulate them and can be used in the code. PyTorch also comes with an array of pre-trained models ("model zoo"), out-of-the-box distributed capabilities ...

BoTorch, which, as the name implies, is based on PyTorch, is a library for Bayesian ... optimization in general — is all about making model optimizing easier and faster for data scientists ...