Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsROBOTIS OP3 is 72 cm shorter (51 vs 123 cm) and 25.5 kg lighter (3.5 vs 29 kg) than Unitree R1. ROBOTIS OP3 has 6 fewer degrees of freedom (20 vs 26) than Unitree R1. Openness score: ROBOTIS OP3 45, Unitree R1 30 (of 100); only ROBOTIS OP3 publishes FW. Availability for both: buy.
| Field | ROBOTISROBOTIS OP3 | Unitree RoboticsUnitree R1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | ROBOTIS | Unitree Robotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | South Korea | China | |
| Year | —unsourced | 2025 | |
| Specifications | |||
| Height (differs) | 51cm | 123cm | −72 cm (-59%) |
| Mass (differs) | 3.5kg | 29kg | −25.5 kg (-88%) |
| Degrees of freedom (differs) | 20 | 26 | −6 (-23%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | 60min | |
| Battery capacity | 36.6Wh | —unsourced | |
| Price | —unsourced | 5,900USD | |
| Actuators (differs) | 20x Dynamixel XM430-W350-R | Unitree in-house electric joint motors | |
| Compute (differs) | Intel NUC i3, 8GB RAM | 8-core CPU; optional Jetson Orin (40-100 TOPS) | |
| Sensors (differs) | Logitech C920 camera, 9-axis IMU | 4-mic array, monocular or binocular camera, joint encoders | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 45/ 100 | 30/ 100 | +15 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) | public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L1 | |
| Sources | 2 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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