The 2025 Deep-Learning Landscape (and where you fit in If you typed “deep-learning tutorial” into a search engine five years ago, you would have been overwhelmed by TensorFlow graphs, static compute diagrams, and the occasional Caffe layer-table. In 2025 the field has narrowed to three production-grade Python stacks: Stack Philosophy Where it Shines TensorFlow 2 … More Why PyTorch? Getting the Toolbox Ready