Rainbow Robotics RB-Y1 vs Unitree R1
Generated from the registry · revision 2026-09-26 · openness out of 100
Rainbow Robotics RB-Y1 is 17 cm taller (140 vs 123 cm) and 102 kg heavier (131 vs 29 kg) than Unitree R1. Rainbow Robotics RB-Y1 has 6 fewer degrees of freedom (20 vs 26) than Unitree R1. Both score 30/100 on openness. Availability for both: buy.
01
Side by side
■ rows differ| Field | Rainbow RoboticsRainbow Robotics RB-Y1 | Unitree RoboticsUnitree R1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Rainbow Robotics | Unitree Robotics | |
| Class (differs) | Wheeled humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | South Korea | China | |
| Year (differs) | 2024 | 2025 | |
| Specifications | |||
| Height (differs) | 140cm | 123cm | +17 cm (+14%) |
| Mass (differs) | 131kg | 29kg | +102 kg (+352%) |
| Degrees of freedom (differs) | 20 | 26 | −6 (-23%) |
| Payload | 3kg | —unsourced | |
| Top speed | 1.5m/s | —unsourced | |
| Runtime | —unsourced | 60min | |
| Battery capacity | 1,250Wh | —unsourced | |
| Price | —unsourced | 5,900USD | |
| Actuators (differs) | Rainbow in-house joint modules | Unitree in-house electric joint motors | |
| Compute (differs) | Dual-PC (real-time robot PC + user PC with ROS 2) | 8-core CPU; optional Jetson Orin (40-100 TOPS) | |
| Sensors (differs) | Built-in wrist force/torque sensors (v1.2); optional camera | 4-mic array, monocular or binocular camera, joint encoders | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score | 30/ 100 | 30/ 100 | = |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | not public | not public | |
| Software (10) | public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L1 | |
| 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: Rainbow Robotics RB-Y1, Unitree R1.
02