VMAS is an open-source multi-agent reinforcement learning framework designed for scalable environment simulation and policy training on GPUs. It provides built-in algorithms such as PPO, MADDPG, and QMIX, supports centralized training with decentralized execution, and offers flexible environment interfaces, customizable reward functions, and performance monitoring tools for efficient MARL development and research.
VMAS is an open-source multi-agent reinforcement learning framework designed for scalable environment simulation and policy training on GPUs. It provides built-in algorithms such as PPO, MADDPG, and QMIX, supports centralized training with decentralized execution, and offers flexible environment interfaces, customizable reward functions, and performance monitoring tools for efficient MARL development and research.
VMAS is a comprehensive toolkit for building and training multi-agent systems using deep reinforcement learning. It supports GPU-based parallel simulation of hundreds of environment instances, enabling high-throughput data collection and scalable training. VMAS includes implementations of popular MARL algorithms like PPO, MADDPG, QMIX, and COMA, along with modular policy and environment interfaces for rapid prototyping. The framework facilitates centralized training with decentralized execution (CTDE), offers customizable reward shaping, observation spaces, and callback hooks for logging and visualization. With its modular design, VMAS seamlessly integrates with PyTorch models and external environments, making it ideal for research in cooperative, competitive, and mixed-motive tasks across robotics, traffic control, resource allocation, and game AI scenarios.
Who will use VMAS?
Reinforcement learning researchers
Machine learning engineers
Robotics developers
Game AI developers
Academic institutions
How to use the VMAS?
Step1: Install VMAS via pip install vmas
Step2: Define or select your multi-agent environment using VMAS interfaces
Step3: Configure agent policies and hyperparameters in a YAML or Python script
Step4: Choose and initialize MARL algorithms such as PPO, MADDPG, or QMIX
Step5: Launch training with the VMAS runner, monitor logs, and evaluate policies in simulation