A3 Ultra vs Moby
Humanoid robot spec comparison — AgiBot vs Noble Machines.
AgiBot
A3 Ultra
56 / 100 Robo2u Score
51-DOF full-size service humanoid with lidar, RTK and UWB navigation and autonomous charging, unveiled at WAIC 2026
| Spec | A3 Ultra | Moby |
|---|---|---|
| Released | 2026-07 | 2026-03 |
| Status | Prototype | Deployed |
| Height | 174 cm | 170 cm |
| Payload | 5 kg | 27 kg |
| Degrees of freedom | 51 | 34 |
| Runtime | 480 min | 300 min |
| Top speed | — | 0.83 m/s |
| Price | — | — |
| Robo2u Score | 56 | 84 |
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.
