AgiBot A2 (Yuanzheng) vs Rainbow Robotics RB-Y1
Generated from the registry · revision 2026-09-26 · openness out of 100
AgiBot A2 (Yuanzheng) is 29 cm taller (169 vs 140 cm) and 62 kg lighter (69 vs 131 kg) than Rainbow Robotics RB-Y1. AgiBot A2 (Yuanzheng) has 20 more degrees of freedom (40 vs 20) than Rainbow Robotics RB-Y1. Openness score: AgiBot A2 (Yuanzheng) 0, Rainbow Robotics RB-Y1 30 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability for both: buy.
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Side by side
■ rows differ| Field | AgiBot (Zhiyuan Robotics)AgiBot A2 (Yuanzheng) | Rainbow RoboticsRainbow Robotics RB-Y1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | AgiBot (Zhiyuan Robotics) | Rainbow Robotics | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | China | South Korea | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 169cm | 140cm | +29 cm (+21%) |
| Mass (differs) | 69kg | 131kg | −62 kg (-47%) |
| Degrees of freedom (differs) | 40 | 20 | +20 (+100%) |
| Payload | —unsourced | 3kg | |
| Top speed | —unsourced | 1.5m/s | |
| Runtime | 120min | —unsourced | |
| Battery capacity (differs) | 700Wh | 1,250Wh | −550 Wh (-44%) |
| Price | —unsourced | —unsourced | |
| Actuators | —unsourced | Rainbow in-house joint modules | |
| Compute | —unsourced | Dual-PC (real-time robot PC + user PC with ROS 2) | |
| Sensors (differs) | 360° LiDAR, six HD cameras incl. RGB-D and fisheye, force/torque sensors, mic array | 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: AgiBot A2 (Yuanzheng), Rainbow Robotics RB-Y1.
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