Phantom MK1 vs U1
Humanoid robot spec comparison — Foundation vs UBTECH.
Foundation
Phantom MK1
60 / 100 Robo2u Score
Industrial humanoid from Foundation using proprietary cycloidal actuators
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | Phantom MK1 | U1 |
|---|---|---|
| Released | 2025 | 2026-06 |
| Status | Prototype | Pre-order |
| Height | 175 cm | — |
| Payload | 20 kg | — |
| Degrees of freedom | — | 88 |
| Runtime | — | — |
| Top speed | 1.7 m/s | — |
| Price | $100k | $17.6k |
| Robo2u Score | 60 | 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.
