RB-Y1 vs U1
Humanoid robot spec comparison — Rainbow Robotics vs UBTECH.
Rainbow Robotics
RB-Y1
62 / 100 Robo2u Score
Wheeled dual-arm humanoid manipulator for AI research labs
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | RB-Y1 | U1 |
|---|---|---|
| Released | 2024-05 | 2026-06 |
| Status | Production | Pre-order |
| Height | 140 cm | — |
| Payload | 6 kg | — |
| Degrees of freedom | 24 | 88 |
| Runtime | 180 min | — |
| Top speed | 1.5 m/s | — |
| Price | $80k | $17.6k |
| Robo2u Score | 62 | 79 |
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.
