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 119 cm shorter (51 vs 170 cm) and 66.5 kg lighter (3.5 vs 70 kg) than Phoenix. Openness score: ROBOTIS OP3 45, Phoenix 0 (of 100); only ROBOTIS OP3 publishes SIM, FW and SW. Availability: ROBOTIS OP3 buy, Phoenix not for sale.
| Field | ROBOTISROBOTIS OP3 | Sanctuary AISanctuary Phoenix | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | ROBOTIS | Sanctuary AI | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Buy | Not for sale | |
| Country (differs) | South Korea | Canada | |
| Year | —unsourced | 2023 | |
| Specifications | |||
| Height (differs) | 51cm | 170cm | −119 cm (-70%) |
| Mass (differs) | 3.5kg | 70kg | −66.5 kg (-95%) |
| Degrees of freedom | 20 | —unsourced | |
| Payload | —unsourced | 25kg | |
| Top speed | —unsourced | 1.3m/s | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | 36.6Wh | —unsourced | |
| Price | —unsourced | Not for sale | |
| Actuators (differs) | 20x Dynamixel XM430-W350-R | Hydraulic hands (20 DOF total across both hands) | |
| Compute (differs) | Intel NUC i3, 8GB RAM | Carbon AI control system | |
| Sensors (differs) | Logitech C920 camera, 9-axis IMU | Haptic sensing in hands | |
| 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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