Optimus Gen 2 vs U1
Humanoid robot spec comparison — Tesla vs UBTECH.
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | Optimus Gen 2 | U1 |
|---|---|---|
| Released | 2023-12 | 2026-06 |
| Status | Prototype | Pre-order |
| Height | 173 cm | — |
| Payload | 20 kg | — |
| Degrees of freedom | 28 | 88 |
| Runtime | — | — |
| Top speed | 2.2 m/s | — |
| Price | — | $17.6k |
| Robo2u Score | 43 | 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.
