About Keras Getting started Developer guides Code examples Keras 3 API documentation Keras 2 API documentation Models API Layers API Callbacks API Optimizers SGD RMSprop Adam AdamW Adadelta Adagrad Adamax Adafactor Nadam Ftrl Learning rate schedules API Metrics Losses Data loading Built-in small datasets Keras Applications Mixed precision Utilities KerasTuner: Hyperparam Tuning KerasHub: Pretrained Models