Cruzr S2 vs SA01
Humanoid robot spec comparison — UBTECH vs EngineAI Robotics.
UBTECH
Cruzr S2
69 / 100 Robo2u Score
Full-size wheeled service humanoid with a ±170° bending torso and 15kg payload handling
EngineAI Robotics
SA01
60 / 100 Robo2u Score
Affordable open bipedal platform for education and research
| Spec | Cruzr S2 | SA01 |
|---|---|---|
| Released | 2025 | 2024-07 |
| Status | Production | Production |
| Height | 176 cm | 138 cm |
| Payload | 15 kg | 15 kg |
| Degrees of freedom | 44 | 12 |
| Runtime | — | 120 min |
| Top speed | 2 m/s | 1 m/s |
| Price | — | $5.4k |
| Robo2u Score | 69 | 60 |
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.