humanoidrobots.systems

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

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Side-by-side specifications. Rows marked with a square differ.
FieldAgiBot (Zhiyuan Robotics)AgiBot A2 (Yuanzheng)Rainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)AgiBot (Zhiyuan Robotics)Rainbow Robotics
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaSouth Korea
Year20242024
Specifications
Height (differs)169cm140cm+29 cm (+21%)
Mass (differs)69kg131kg−62 kg (-47%)
Degrees of freedom (differs)4020+20 (+100%)
Payload—unsourced3kg
Top speed—unsourced1.5m/s
Runtime120min—unsourced
Battery capacity (differs)700Wh1,250Wh−550 Wh (-44%)
Price—unsourced—unsourced
Actuators—unsourcedRainbow in-house joint modules
Compute—unsourcedDual-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 arrayBuilt-in wrist force/torque sensors (v1.2); optional camera
Openness and provenance
Openness bar030
Openness score (differs)0/ 10030/ 100−30
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15)not publicnot public
Software (10) (differs)not publicpublic
Trained policies (10)not publicnot public
Verification level (differs)L0L2
Sources22
Last checked2026-09-242026-09-24

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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