ROBOTIS OP3 vs Sanctuary Phoenix
Generated from the registry · revision 2026-09-26 · openness out of 100
ROBOTIS 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.
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Side by side
■ rows differ| 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 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: ROBOTIS OP3, Phoenix.
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