humanoidrobots.systems

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Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

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MenteeBot vs Rainbow Robotics RB-Y1

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MenteeBot is 35 cm taller (175 vs 140 cm) and 61 kg lighter (70 vs 131 kg) than Rainbow Robotics RB-Y1. MenteeBot has 20 more degrees of freedom (40 vs 20) and 22 kg more rated payload (25 vs 3 kg) than Rainbow Robotics RB-Y1. Openness score: MenteeBot 0, Rainbow Robotics RB-Y1 30 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability: MenteeBot not for sale, Rainbow Robotics RB-Y1 buy.

Side-by-side specifications. Rows marked with a square differ.
FieldMentee RoboticsMenteeBotRainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)Mentee RoboticsRainbow Robotics
Class (differs)HumanoidWheeled humanoid
Status (differs)AnnouncedActive
Availability (differs)Not for saleBuy
Country (differs)IsraelSouth Korea
Year20242024
Specifications
Height (differs)175cm140cm+35 cm (+25%)
Mass (differs)70kg131kg−61 kg (-47%)
Degrees of freedom (differs)4020+20 (+100%)
Payload (differs)25kg3kg+22 kg (+733%)
Top speed1.5m/s1.5m/s=
Runtime—unsourced—unsourced
Battery capacity—unsourced1,250Wh
PriceNot for sale—unsourced
Actuators—unsourcedRainbow in-house joint modules
Compute—unsourcedDual-PC (real-time robot PC + user PC with ROS 2)
Sensors (differs)360-degree visionBuilt-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
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Best-documented pairs

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