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 humanoidsHopeJR has 46 more degrees of freedom (66 vs 20) than Rainbow Robotics RB-Y1. Openness score: HopeJR 90, Rainbow Robotics RB-Y1 30 (of 100); only HopeJR publishes CAD, BOM and FW. Availability: HopeJR diy build, Rainbow Robotics RB-Y1 buy.
| Field | The Robot Studio & Hugging FaceThe HopeJR | Rainbow RoboticsRainbow Robotics RB-Y1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | The Robot Studio & Hugging Face | Rainbow Robotics | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status | Active | Active | |
| Availability (differs) | DIY build | Buy | |
| Country (differs) | France | South Korea | |
| Year (differs) | 2025 | 2024 | |
| Specifications | |||
| Height | —unsourced | 140cm | |
| Mass | —unsourced | 131kg | |
| Degrees of freedom (differs) | 66 | 20 | +46 (+230%) |
| Payload | —unsourced | 3kg | |
| Top speed | —unsourced | 1.5m/s | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | 1,250Wh | |
| Price | 3,000USD | —unsourced | |
| Actuators (differs) | Robstride 02 (humanoid body update) | Rainbow in-house joint modules | |
| Compute | —unsourced | Dual-PC (real-time robot PC + user PC with ROS 2) | |
| Sensors | —unsourced | Built-in wrist force/torque sensors (v1.2); optional camera | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 90/ 100 | 30/ 100 | +60 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) | public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L2 | |
| Sources (differs) | 4 | 2 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
03
Best-documented pairs
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