H2 vs RB-Y1
Humanoid robot spec comparison — Unitree vs Rainbow Robotics.
Unitree
H2
69 / 100 Robo2u Score
Base 180 cm full-size humanoid with 31 DOF and 360 N·m joints, sold below the Thor-equipped H2 Plus
Rainbow Robotics
RB-Y1
62 / 100 Robo2u Score
Wheeled dual-arm humanoid manipulator for AI research labs
| Spec | H2 | RB-Y1 |
|---|---|---|
| Released | 2025-10 | 2024-05 |
| Status | Production | Production |
| Height | 180 cm | 140 cm |
| Payload | — | 6 kg |
| Degrees of freedom | 31 | 24 |
| Runtime | — | 180 min |
| Top speed | — | 1.5 m/s |
| Price | $29.9k | $80k |
| Robo2u Score | 69 | 62 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Humanoid Showdown for the full field.