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PyTorch is an open source machine learning library based on the Torch library, used for applications such as computer vision and natural language processing, primarily developed by Facebook's AI Research lab. It is free and open-source software released under the Modified BSD license
PyTorch is a Python package that provides two high-level features:
Tensor computation (like NumPy) with strong GPU acceleration.
Deep neural networks built on a tape-based autograd system.
PyTorch is an optimized tensor library for deep learning using GPUs and CPUs.
It provides “a rich ecosystem of tools, libraries, and more to support, accelerate, and explore AI development.”