About Keras Getting started Developer guides Keras 3 API documentation Models API Layers API The base Layer class Layer activations Layer weight initializers Layer weight regularizers Layer weight constraints Core layers Convolution layers Pooling layers Recurrent layers Preprocessing layers Normalization layers Regularization layers Attention layers Reshaping layers Merging layers Activation layers Callbacks API Ops API Optimizers Metrics Losses Data loading Built-in small datasets Keras Applications Mixed precision Multi-device distribution RNG API Utilities KerasTuner Keras 2 API documentation Code examples KerasTuner: Hyperparameter Tuning KerasCV: Computer Vision Workflows KerasNLP: Natural Language Workflows