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 127 cm shorter (51 vs 178 cm) and 66.5 kg lighter (3.5 vs 70 kg) than XPeng IRON. Openness score: ROBOTIS OP3 45, XPeng IRON 0 (of 100); only ROBOTIS OP3 publishes SIM, FW and SW. Availability: ROBOTIS OP3 buy, XPeng IRON not for sale.
| Field | ROBOTISROBOTIS OP3 | XPengXPeng IRON | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | ROBOTIS | XPeng | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Announced | |
| Availability (differs) | Buy | Not for sale | |
| Country (differs) | South Korea | China | |
| Year | —unsourced | 2024 | |
| Specifications | |||
| Height (differs) | 51cm | 178cm | −127 cm (-71%) |
| Mass (differs) | 3.5kg | 70kg | −66.5 kg (-95%) |
| Degrees of freedom | 20 | —unsourced | |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | 36.6Wh | —unsourced | |
| Price | —unsourced | Not for sale | |
| Actuators | 20x Dynamixel XM430-W350-R | —unsourced | |
| Compute (differs) | Intel NUC i3, 8GB RAM | 3x XPeng Turing AI chips, 2,250 TOPS | |
| Sensors | Logitech C920 camera, 9-axis IMU | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 45/ 100 | 0/ 100 | +45 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources | 2 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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