GR-1 vs K1
Humanoid robot spec comparison — Fourier Intelligence vs Booster Robotics.
Fourier Intelligence
GR-1
47 / 100 Robo2u Score
Full-size general-purpose humanoid for rehab, research and industry
| Spec | GR-1 | K1 |
|---|---|---|
| Released | 2023-07 | 2025-10 |
| Status | Production | Production |
| Height | 165 cm | 95 cm |
| Payload | 50 kg | — |
| Degrees of freedom | 40 | 22 |
| Runtime | — | 80 min |
| Top speed | 1.4 m/s | 0.4 m/s |
| Price | — | $12.5k |
| Robo2u Score | 47 | 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.
