GR-3 vs K1
Humanoid robot spec comparison — Fourier Intelligence vs Booster Robotics.
Fourier Intelligence
GR-3
54 / 100 Robo2u Score
Care-focused companion humanoid with cushioned surfaces and…
| Spec | GR-3 | K1 |
|---|---|---|
| Released | 2025-08 | 2025-10 |
| Status | Production | Production |
| Height | 165 cm | 95 cm |
| Payload | 3 kg | — |
| Degrees of freedom | 55 | 22 |
| Runtime | 180 min | 80 min |
| Top speed | — | 0.4 m/s |
| Price | — | $12.5k |
| Robo2u Score | 54 | 54 |
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.
