GR-3 vs Sonny
Humanoid robot spec comparison — Fourier Intelligence vs Tutor Intelligence.
Fourier Intelligence
GR-3
54 / 100 Robo2u Score
Care-focused companion humanoid with cushioned surfaces and…
| Spec | GR-3 | Sonny |
|---|---|---|
| Released | 2025-08 | 2026 |
| Status | Production | Production |
| Height | 165 cm | 173 cm |
| Payload | 3 kg | 5 kg |
| Degrees of freedom | 55 | 12 |
| Runtime | 180 min | — |
| Top speed | — | — |
| Price | — | — |
| Robo2u Score | 54 | 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.
