Stable-Baselines3
Reliable RL algorithms you can actually trust
Robotics & embodied AIRL algorithmsMITRuns locallyPythonBeginner
🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is Stable-Baselines3?
Stable-Baselines3 provides carefully tested PyTorch implementations of the main RL algorithms — PPO, SAC, TD3 — with sane defaults.
Why people choose Stable-Baselines3
- Implementations verified against published results
- Excellent documentation
- Works out of the box with Gymnasium
Stable-Baselines3 at a glance
| Category | Robotics & embodied AI |
| Type | RL algorithms |
| License | MIT |
| Runs locally | Yes |
| Built with | Python |
| Skill level | Beginner |
| Best for | getting a working policy without reimplementing PPO from a paper |
Latest releases
Open-source alternatives to Stable-Baselines3
Other open-source robotics & embodied ai tools worth comparing:
GenesisGenerate robotic worlds from a text prompt
LeRobotTrain real robots with the Hugging Face stack
ArduPilotAutopilot for drones, rovers and boats
MuJoCoThe physics engine most robotics research runs on
openpi (π0)Open weights for robot foundation models
GymnasiumThe standard interface for reinforcement learning
PX4The autopilot behind most commercial drones
AutowareA complete open-source self-driving stack
Isaac LabMassively parallel robot training on NVIDIA GPUs
ROS 2The operating system layer of modern robotics
Nav2Make a mobile robot navigate on its own
Diffusion PolicyTeach a robot by showing it, using diffusion
HabitatTrain agents to act in photorealistic homes
MoveIt 2Motion planning and manipulation for robot arms
GazeboSimulate a whole robot, sensors includedStable-Baselines3 head-to-head
Stable-Baselines3 vs GenesisStable-Baselines3 vs LeRobotStable-Baselines3 vs ArduPilotStable-Baselines3 vs MuJoCoStable-Baselines3 vs openpi (π0)Stable-Baselines3 vs GymnasiumStable-Baselines3 vs PX4Stable-Baselines3 vs AutowareStable-Baselines3 vs Isaac LabStable-Baselines3 vs ROS 2Stable-Baselines3 vs Nav2Stable-Baselines3 vs Diffusion PolicyStable-Baselines3 vs HabitatStable-Baselines3 vs MoveIt 2Stable-Baselines3 vs Gazebo
FAQ
Is Stable-Baselines3 free?
Stable-Baselines3 is free and open-source (MIT license), so you can use, self-host and modify it at no cost.
Can I run Stable-Baselines3 locally?
Yes. Stable-Baselines3 is designed to run on your own machine or server, keeping your data private.
What is the best alternative to Stable-Baselines3?
Popular open-source alternatives include Genesis, LeRobot, ArduPilot. See the comparisons above to choose.
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