humanoidrobots.systems

Leju Kuavo vs Rainbow Robotics RB-Y1

Generated from the registry · revision 2026-09-26 · openness out of 100

No height, mass, DOF or payload figure is sourced for both Leju Kuavo and Rainbow Robotics RB-Y1 yet. Both score 30/100 on openness. Availability for both: buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldLeju RoboticsLeju KuavoRainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)Leju RoboticsRainbow Robotics
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaSouth Korea
Year (differs)20232024
Specifications
Height—unsourced140cm
Mass—unsourced131kg
Degrees of freedom—unsourced20
Payload—unsourced3kg
Top speed (differs)1.28m/s1.5m/s−0.22 m/s (-15%)
Runtime—unsourced—unsourced
Battery capacity—unsourced1,250Wh
Price—unsourced—unsourced
Actuators (differs)Joints up to 360 N·mRainbow in-house joint modules
Compute—unsourcedDual-PC (real-time robot PC + user PC with ROS 2)
Sensors—unsourcedBuilt-in wrist force/torque sensors (v1.2); optional camera
Openness and provenance
Openness bar3030
Openness score30/ 10030/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification level (differs)L1L2
Sources (differs)32
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Leju Kuavo, Rainbow Robotics RB-Y1.

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