A3 Ultra vs U1
Humanoid robot spec comparison — AgiBot vs UBTECH.
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
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | A3 Ultra | U1 |
|---|---|---|
| Released | 2026-07 | 2026-06 |
| Status | Prototype | Pre-order |
| Height | 174 cm | — |
| Payload | 5 kg | — |
| Degrees of freedom | 51 | 88 |
| Runtime | 480 min | — |
| Top speed | — | — |
| Price | — | $17.6k |
| Robo2u Score | 56 | 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.
