This repository contains nine weight-only checkpoints. Each checkpoint has a resolved training config.yaml and a datasetstats.json: The midtraining checkpoint and all seven HumanoidArena checkpoints were initialized directly from the full-pretraining checkpoint. HumanoidArena training uses the official SONIC reference actions at their native 50 Hz rate, with separate normalization statistics for each task. Training code and instructions are available in the WB-WAM repository.