A Coding Guide to Google Research’s Kauldron: Configs That Are Plain Data, Components Wired by String, and a JAX Trainer You Can Read End to End

Google Research's Kauldron is a JAX-based training library designed for modularity and research speed, featuring konfig for JSON-friendly configs, kontext for component wiring by string keys, and runtime shape checking. A tutorial demonstrates installing Kauldron, creating custom losses and metrics, training with synthetic data, monitoring model layers, running config sweeps, and checkpointing.