galilai-group / stable-worldmodel
Summary
stable-worldmodel is an open-source platform designed to streamline world model research and evaluation. It offers a unified interface for the three core stages: data collection, model training, and evaluation using model-predictive control across a diverse suite of standardized environments. The platform includes reference implementations for common baselines like LeWM and DINO-WM, and planning solvers such as Cross-Entropy Method (CEM) and Model Predictive Path Integral (MPPI). It supports various data formats, including LanceDB (default, offering 4814.8 samples/s local throughput and 13.31 GB storage for the PushT dataset), HDF5, and video, with built-in conversion tools. Environments range from DeepMind Control Suite to Atari games, many featuring factors of variation to test zero-shot generalization. A command-line interface simplifies dataset and environment management.
Key takeaway
For machine learning engineers or AI scientists initiating world model research, stable-worldmodel offers a streamlined workflow. You should consider adopting this platform to accelerate your project setup, standardize data handling, and rigorously evaluate model generalization across varied environments. Its unified interface and included baselines will allow you to focus directly on model contributions, reducing boilerplate code and improving research reproducibility.
Key insights
stable-worldmodel unifies world model research stages, enhancing reproducibility and evaluation across diverse environments.
Principles
- Standardized interfaces improve research reproducibility.
- Data format flexibility optimizes storage and access.
- Factors of variation enable robust generalization testing.
Method
The platform integrates data collection, world model training, and model-predictive control evaluation. It uses a "World" object to collect data, "swm.data.load_dataset" for loading, and "WorldModelPolicy" with a "CEMSolver" for evaluation.
In practice
- Use "pip install 'stable-worldmodel[all]'" for full setup.
- Store datasets under "\$STABLEWM_HOME" for custom locations.
- Convert datasets between "lance", "hdf5", "folder", "video" formats.
Topics
- World Models
- Model-Predictive Control
- Reinforcement Learning
- Data Management
- Research Platforms
- DeepMind Control Suite
Code references
- galilai-group/stable-worldmodel
- astral-sh/ruff
- google-deepmind/dm_control
- seohongpark/ogbench
- MichaelTMatthews/Craftax
Best for: AI Engineer, Research Scientist, AI Scientist, Machine Learning Engineer, Robotics Engineer
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