EngineAI PM01 vs ROBOTIS OP3
Generated from the registry · revision 2026-09-26 · openness out of 100
EngineAI PM01 is 87 cm taller (138 vs 51 cm) and 36.5 kg heavier (40 vs 3.5 kg) than ROBOTIS OP3. EngineAI PM01 has 4 more degrees of freedom (24 vs 20) than ROBOTIS OP3. Openness score: EngineAI PM01 30, ROBOTIS OP3 45 (of 100); only ROBOTIS OP3 publishes FW. Availability for both: buy.
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Side by side
■ rows differ| Field | EngineAI (Zhongqing Robotics)EngineAI PM01 | ROBOTISROBOTIS OP3 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | EngineAI (Zhongqing Robotics) | ROBOTIS | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | China | South Korea | |
| Year | 2024 | —unsourced | |
| Specifications | |||
| Height (differs) | 138cm | 51cm | +87 cm (+171%) |
| Mass (differs) | 40kg | 3.5kg | +36.5 kg (+1043%) |
| Degrees of freedom (differs) | 24 | 20 | +4 (+20%) |
| Payload | —unsourced | —unsourced | |
| Top speed | 2m/s | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | 36.6Wh | |
| Price | 12,000USD | —unsourced | |
| Actuators (differs) | EngineAI electric actuators (up to 300 N·m) | 20x Dynamixel XM430-W350-R | |
| Compute (differs) | Intel N97 + NVIDIA Jetson Orin | Intel NUC i3, 8GB RAM | |
| Sensors (differs) | Intel RealSense depth camera | 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 (differs) | 3 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: EngineAI PM01, ROBOTIS OP3.
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