GR-3 vs Protoclone
Humanoid robot spec comparison — Fourier Intelligence vs Clone Robotics.
Fourier Intelligence
GR-3
67 / 100 Robo2u Score
Care-focused companion humanoid from Fourier Intelligence with cushioned surfaces
Clone Robotics
Protoclone
60 / 100 Robo2u Score
Anatomically accurate musculoskeletal android with artificial muscles from Clone Robotics
| Spec | GR-3 | Protoclone |
|---|---|---|
| Released | 2025-08 | 2025-02 |
| Status | Production | Prototype |
| Height | 165 cm | 180 cm |
| Payload | 3 kg | — |
| Degrees of freedom | 55 | 200 |
| Runtime | 180 min | — |
| Top speed | — | 0.83 m/s |
| Price | — | — |
| Robo2u Score | 67 | 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.
