humanoidrobots.systems

Humanoid HMND 01 vs Rainbow Robotics RB-Y1

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

HMND 01 is 35 cm taller (175 vs 140 cm) and 61 kg lighter (70 vs 131 kg) than Rainbow Robotics RB-Y1. HMND 01 has 9 more degrees of freedom (29 vs 20) and 12 kg more rated payload (15 vs 3 kg) than Rainbow Robotics RB-Y1. Openness score: HMND 01 0, Rainbow Robotics RB-Y1 30 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability: HMND 01 not for sale, Rainbow Robotics RB-Y1 buy.

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Side by side

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FieldHumanoid (SKL Robotics Ltd)Humanoid HMND 01Rainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)Humanoid (SKL Robotics Ltd)Rainbow Robotics
ClassWheeled humanoidWheeled humanoid
Status (differs)AnnouncedActive
Availability (differs)Not for saleBuy
Country (differs)United KingdomSouth Korea
Year (differs)20252024
Specifications
Height (differs)175cm140cm+35 cm (+25%)
Mass (differs)70kg131kg−61 kg (-47%)
Degrees of freedom (differs)2920+9 (+45%)
Payload (differs)15kg3kg+12 kg (+400%)
Top speed1.5m/s1.5m/s=
Runtime—unsourced—unsourced
Battery capacity—unsourced1,250Wh
PriceNot for sale—unsourced
Actuators (differs)Electric; optional 12-DOF hand or 1-DOF gripperRainbow 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 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
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: HMND 01, Rainbow Robotics RB-Y1.

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