PX4
The autopilot behind most commercial drones
Robotics & embodied AIDrone autopilotBSD-3-ClauseRuns locallyC++Advanced
🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is PX4?
PX4 is the flight control stack used across research and industry, with a clean architecture and a strong simulation story.
Why people choose PX4
- Modular architecture, easy to extend
- Excellent simulation and testing tooling
- Strong industrial adoption
PX4 at a glance
| Category | Robotics & embodied AI |
| Type | Drone autopilot |
| License | BSD-3-Clause |
| Runs locally | Yes |
| Built with | C++ |
| Skill level | Advanced |
| Best for | building a drone product rather than a hobby project |
Latest releases
Open-source alternatives to PX4
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
Stable-Baselines3Reliable RL algorithms you can actually trust
openpi (π0)Open weights for robot foundation models
GymnasiumThe standard interface for reinforcement learning
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 includedPX4 head-to-head
PX4 vs GenesisPX4 vs LeRobotPX4 vs ArduPilotPX4 vs MuJoCoPX4 vs Stable-Baselines3PX4 vs openpi (π0)PX4 vs GymnasiumPX4 vs AutowarePX4 vs Isaac LabPX4 vs ROS 2PX4 vs Nav2PX4 vs Diffusion PolicyPX4 vs HabitatPX4 vs MoveIt 2PX4 vs Gazebo
FAQ
Is PX4 free?
PX4 is free and open-source (BSD-3-Clause license), so you can use, self-host and modify it at no cost.
Can I run PX4 locally?
Yes. PX4 is designed to run on your own machine or server, keeping your data private.
What is the best alternative to PX4?
Popular open-source alternatives include Genesis, LeRobot, ArduPilot. See the comparisons above to choose.
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