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 humanoidsBooster K1 is 44 cm taller (95 vs 51 cm) and 16 kg heavier (19.5 vs 3.5 kg) than ROBOTIS OP3. Booster K1 has 2 more degrees of freedom (22 vs 20) than ROBOTIS OP3. Openness score: Booster K1 30, ROBOTIS OP3 45 (of 100); only ROBOTIS OP3 publishes FW. Availability for both: buy.
| Field | Booster RoboticsBooster K1 | ROBOTISROBOTIS OP3 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Booster Robotics | ROBOTIS | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | China | South Korea | |
| Year | 2025 | —unsourced | |
| Specifications | |||
| Height (differs) | 95cm | 51cm | +44 cm (+86%) |
| Mass (differs) | 19.5kg | 3.5kg | +16 kg (+457%) |
| Degrees of freedom (differs) | 22 | 20 | +2 (+10%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | 40min | —unsourced | |
| Battery capacity | —unsourced | 36.6Wh | |
| Price | 4,999USD | —unsourced | |
| Actuators (differs) | Dual-encoder actuators | 20x Dynamixel XM430-W350-R | |
| Compute (differs) | NVIDIA Jetson Orin NX 8GB (117 TOPS) base; up to 200 TOPS tier | Intel NUC i3, 8GB RAM | |
| Sensors (differs) | RGB-D camera, 9-axis IMU, microphone array | Logitech C920 camera, 9-axis IMU | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 45/ 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) | not public | public | |
| Software (10) | public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L2 | |
| Sources | 2 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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