Yann LeCun, former Chief AI Scientist at Meta, has collaborated with Mila Research Institute, Brown University, Oxford University, and LanceDB to launch stable-worldmodel (swm), an open-source platform aimed at standardizing world model research. Led by Lucas Maes and Randall Balestriero, the initiative addresses key challenges in the field, such as fragmented codebases and slow video data loading. Stable-worldmodel introduces a high-performance data layer using the Lance format, facilitating efficient conversion of MP4 videos, HDF5 files, and LeRobot datasets. It integrates leading world models and planning solvers, providing a comprehensive framework for testing models' dynamics understanding and control performance. This platform aims to enhance reproducibility and reduce infrastructure costs in embodied intelligence research.