GR-1 vs Sonny
Humanoid robot spec comparison — Fourier Intelligence vs Tutor Intelligence.
Fourier Intelligence
GR-1
47 / 100 Robo2u Score
Full-size general-purpose humanoid for rehab, research and industry
| Spec | GR-1 | Sonny |
|---|---|---|
| Released | 2023-07 | 2026 |
| Status | Production | Production |
| Height | 165 cm | 173 cm |
| Payload | 50 kg | 5 kg |
| Degrees of freedom | 40 | 12 |
| Runtime | — | — |
| Top speed | 1.4 m/s | — |
| Price | — | — |
| Robo2u Score | 47 | 57 |
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.
