Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsNo height, mass, DOF or payload figure is sourced for both Rainbow Robotics RB-Y1 and Optimus yet. Openness score: Rainbow Robotics RB-Y1 30, Optimus 0 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability: Rainbow Robotics RB-Y1 buy, Optimus not for sale.
| Field | Rainbow RoboticsRainbow Robotics RB-Y1 | TeslaTesla Optimus | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Rainbow Robotics | Tesla | |
| Class (differs) | Wheeled humanoid | Humanoid | |
| Status (differs) | Active | Announced | |
| Availability (differs) | Buy | Not for sale | |
| Country (differs) | South Korea | United States | |
| Year (differs) | 2024 | 2022 | |
| Specifications | |||
| Height | 140cm | —unsourced | |
| Mass | 131kg | —unsourced | |
| Degrees of freedom | 20 | —unsourced | |
| Payload | 3kg | —unsourced | |
| Top speed | 1.5m/s | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | 1,250Wh | —unsourced | |
| Price | —unsourced | Not for sale | |
| Actuators | Rainbow in-house joint modules | —unsourced | |
| Compute | Dual-PC (real-time robot PC + user PC with ROS 2) | —unsourced | |
| Sensors | Built-in wrist force/torque sensors (v1.2); optional camera | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 0/ 100 | +30 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) | not public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources (differs) | 2 | 3 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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