PUDU D9 vs Rainbow Robotics RB-Y1
Generated from the registry · revision 2026-09-26 · openness out of 100
PUDU D9 is 30 cm taller (170 vs 140 cm) and 66 kg lighter (65 vs 131 kg) than Rainbow Robotics RB-Y1. PUDU D9 has 22 more degrees of freedom (42 vs 20) and 17 kg more rated payload (20 vs 3 kg) than Rainbow Robotics RB-Y1. Openness score: PUDU D9 0, Rainbow Robotics RB-Y1 30 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability: PUDU D9 not for sale, Rainbow Robotics RB-Y1 buy.
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Side by side
■ rows differ| Field | Pudu RoboticsPUDU D9 | Rainbow RoboticsRainbow Robotics RB-Y1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Pudu Robotics | Rainbow Robotics | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status | Active | Active | |
| Availability (differs) | Not for sale | Buy | |
| Country (differs) | China | South Korea | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 170cm | 140cm | +30 cm (+21%) |
| Mass (differs) | 65kg | 131kg | −66 kg (-50%) |
| Degrees of freedom (differs) | 42 | 20 | +22 (+110%) |
| Payload (differs) | 20kg | 3kg | +17 kg (+567%) |
| Top speed (differs) | 2m/s | 1.5m/s | +0.5 m/s (+33%) |
| Runtime | —unsourced | —unsourced | |
| Battery capacity (differs) | 720Wh | 1,250Wh | −530 Wh (-42%) |
| Price | Not for sale | —unsourced | |
| Actuators (differs) | Pudu joint modules (352 N·m max torque) | Rainbow in-house joint modules | |
| Compute (differs) | 275 TOPS onboard | Dual-PC (real-time robot PC + user PC with ROS 2) | |
| Sensors (differs) | RGB, RGB-D cameras, tactile sensors, IMU | Built-in wrist force/torque sensors (v1.2); optional camera | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 0/ 100 | 30/ 100 | −30 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | not public | public | |
| Firmware (15) | not public | not public | |
| Software (10) (differs) | not public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L0 | L2 | |
| 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: PUDU D9, Rainbow Robotics RB-Y1.
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