About Keras Getting started Developer guides Keras 3 API documentation Keras 2 API documentation Models API Layers API Callbacks API Base Callback class ModelCheckpoint BackupAndRestore TensorBoard EarlyStopping LearningRateScheduler ReduceLROnPlateau RemoteMonitor LambdaCallback TerminateOnNaN CSVLogger ProgbarLogger Optimizers Metrics Losses Data loading Built-in small datasets Keras Applications Mixed precision Utilities Code examples KerasTuner: Hyperparameter Tuning KerasHub: Pretrained Models KerasCV: Computer Vision Workflows KerasNLP: Natural Language Workflows