GR-1 vs GR-3
Humanoid robot spec comparison — Fourier Intelligence vs Fourier Intelligence.
Fourier Intelligence
GR-1
68 / 100 Robo2u Score
Full-size general-purpose humanoid for rehab, research and industry
Fourier Intelligence
GR-3
67 / 100 Robo2u Score
Care-focused companion humanoid from Fourier Intelligence with cushioned surfaces
| Spec | GR-1 | GR-3 |
|---|---|---|
| Released | 2023-07 | 2025-08 |
| Status | Production | Production |
| Height | 165 cm | 165 cm |
| Payload | 50 kg | 3 kg |
| Degrees of freedom | 40 | 55 |
| Runtime | — | 180 min |
| Top speed | 1.4 m/s | — |
| Price | — | — |
| Robo2u Score | 68 | 67 |
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.
