A3 vs Walker S2
Humanoid robot spec comparison — AgiBot vs UBTECH.
AgiBot
A3
66 / 100 Robo2u Score
Lightweight 55 kg full-size performance humanoid with hot-swap dual batteries and 100-unit swarm control
| Spec | A3 | Walker S2 |
|---|---|---|
| Released | 2026-02 | 2025-07 |
| Status | Production | Deployed |
| Height | 173 cm | 176 cm |
| Payload | — | 15 kg |
| Degrees of freedom | — | 52 |
| Runtime | 600 min | 120 min |
| Top speed | — | 2 m/s |
| Price | — | — |
| Robo2u Score | 66 | 76 |
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.
