GR-1 vs Phantom MK1
Humanoid robot spec comparison — Fourier Intelligence vs Foundation.
Fourier Intelligence
GR-1
68 / 100 Robo2u Score
Full-size general-purpose humanoid for rehab, research and industry
Foundation
Phantom MK1
60 / 100 Robo2u Score
Industrial humanoid from Foundation using proprietary cycloidal actuators
| Spec | GR-1 | Phantom MK1 |
|---|---|---|
| Released | 2023-07 | 2025 |
| Status | Production | Prototype |
| Height | 165 cm | 175 cm |
| Payload | 50 kg | 20 kg |
| Degrees of freedom | 40 | — |
| Runtime | — | — |
| Top speed | 1.4 m/s | 1.7 m/s |
| Price | — | $100k |
| Robo2u Score | 68 | 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.
