MenteeBot vs Rainbow Robotics RB-Y1
Generated from the registry · revision 2026-09-26 · openness out of 100
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.
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Side by side
■ rows differ| Field | Mentee RoboticsMenteeBot | Rainbow RoboticsRainbow Robotics RB-Y1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Mentee Robotics | Rainbow Robotics | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status (differs) | Announced | Active | |
| Availability (differs) | Not for sale | Buy | |
| Country (differs) | Israel | South Korea | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 175cm | 140cm | +35 cm (+25%) |
| Mass (differs) | 70kg | 131kg | −61 kg (-47%) |
| Degrees of freedom (differs) | 40 | 20 | +20 (+100%) |
| Payload (differs) | 25kg | 3kg | +22 kg (+733%) |
| Top speed | 1.5m/s | 1.5m/s | = |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | 1,250Wh | |
| Price | Not for sale | —unsourced | |
| Actuators | —unsourced | Rainbow in-house joint modules | |
| Compute | —unsourced | Dual-PC (real-time robot PC + user PC with ROS 2) | |
| Sensors (differs) | 360-degree vision | 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 (differs) | 3 | 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: MenteeBot, Rainbow Robotics RB-Y1.
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