SA01 vs Walker S1
Humanoid robot spec comparison — EngineAI Robotics vs UBTECH Robotics.
EngineAI Robotics
SA01
48 / 100 Robo2u Score
Affordable open bipedal platform for education and research
UBTECH Robotics
Walker S1
54 / 100 Robo2u Score
Industrial humanoid working on automotive assembly lines
| Spec | SA01 | Walker S1 |
|---|---|---|
| Released | 2024-07 | 2024-10 |
| Status | Production | Deployed |
| Height | 138 cm | 172 cm |
| Payload | 15 kg | 15 kg |
| Degrees of freedom | 12 | 41 |
| Runtime | 120 min | 120 min |
| Top speed | 1 m/s | 0.83 m/s |
| Price | $5.4k | — |
| Robo2u Score | 48 | 54 |
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.
