A3 vs RB-Y1
Humanoid robot spec comparison — AgiBot vs Rainbow Robotics.
AgiBot
A3
66 / 100 Robo2u Score
Lightweight 55 kg full-size performance humanoid with hot-swap dual batteries and 100-unit swarm control
Rainbow Robotics
RB-Y1
62 / 100 Robo2u Score
Wheeled dual-arm humanoid manipulator for AI research labs
| Spec | A3 | RB-Y1 |
|---|---|---|
| Released | 2026-02 | 2024-05 |
| Status | Production | Production |
| Height | 173 cm | 140 cm |
| Payload | — | 6 kg |
| Degrees of freedom | — | 24 |
| Runtime | 600 min | 180 min |
| Top speed | — | 1.5 m/s |
| Price | — | $80k |
| Robo2u Score | 66 | 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.