ArduPilot vs 
Gazebo
ArduPilot vs Gazebo compared for 2026 — features, license, ease of use, performance and which one to choose. Autopilot for drones, rovers and boats vs Simulate a whole robot, sensors included.
Updated regularly · curated by OpenSourceAI.tech
ArduPilot vs Gazebo at a glance
| Spec | ArduPilot | Gazebo |
|---|---|---|
| Category | Robotics & embodied AI | Robotics & embodied AI |
| Type | Autopilot firmware | Robot simulator |
| License | GPL-3.0 | Apache-2.0 |
| Runs locally | Yes | Yes |
| Primary language | C++ | C++ |
| Ease of use | Advanced | Intermediate |
| Best for | anything autonomous that moves — in the air, on the ground or on water | testing a full robot stack, including cameras and lidar |
| GitHub stars | 15.5k | 1.4k |
How ArduPilot and Gazebo score
| Criterion | ArduPilot | Gazebo |
|---|---|---|
| Popularity | 3.5 | 2.0 |
| Maintenance | 5.0 | 5.0 |
| Ease of use | 2.5 | 3.5 |
| Privacy | 5.0 | 5.0 |
| License freedom | 3.5 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
ArduPilot
ArduPilot is the autopilot firmware flying a large share of the world's open drones, plus ground rovers, boats and submarines.
- Supports aircraft, rovers, boats and submarines
- Enormous hardware compatibility
- Two decades of field testing
Gazebo
Gazebo simulates robots with their sensors and environment — the classic testing ground before deploying to real hardware.
- Realistic sensor simulation
- Tight ROS integration
- Decades of robotics use behind it
Key differences
ArduPilot is autopilot firmware, while Gazebo is robot simulator. Their licenses differ (GPL-3.0 vs Apache-2.0), which matters if you ship a commercial product. ArduPilot leans more advanced-friendly, whereas Gazebo is more suited to intermediate users. In short, ArduPilot fits anything autonomous that moves — in the air, on the ground or on water, and Gazebo fits testing a full robot stack, including cameras and lidar.
Which should you choose?
Choose ArduPilot for anything autonomous that moves — in the air, on the ground or on water. Choose Gazebo for testing a full robot stack, including cameras and lidar.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is ArduPilot or Gazebo easier to use?
Gazebo is generally the easier of the two to get started with, while ArduPilot rewards more setup with more control.
Are ArduPilot and Gazebo free?
ArduPilot is free and open source (GPL-3.0), and Gazebo is free and open source (Apache-2.0). Neither charges for the core software.
Can I run ArduPilot and Gazebo locally?
ArduPilot: yes · Gazebo: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
ArduPilot vs Gazebo — which should I pick in 2026?
Choose ArduPilot for anything autonomous that moves — in the air, on the ground or on water. Choose Gazebo for testing a full robot stack, including cameras and lidar.
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