Astribot S1 vs U1
Humanoid robot spec comparison — Astribot vs UBTECH.
Astribot
Astribot S1
44 / 100 Robo2u Score
Bimanual humanoid known for high-speed dexterous manipulation demos
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | Astribot S1 | U1 |
|---|---|---|
| Released | 2024-04 | 2026-06 |
| Status | Prototype | Pre-order |
| Height | 170 cm | — |
| Payload | 5 kg | — |
| Degrees of freedom | 36 | 88 |
| Runtime | 240 min | — |
| Top speed | 10 m/s | — |
| Price | — | $17.6k |
| Robo2u Score | 44 | 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.
