K1 vs N1
Humanoid robot spec comparison — Booster Robotics vs Fourier Intelligence.
Fourier Intelligence
N1
49 / 100 Robo2u Score
Compact fully open-source humanoid platform for developers
| Spec | K1 | N1 |
|---|---|---|
| Released | 2025-10 | 2025-04 |
| Status | Production | Production |
| Height | 95 cm | 130 cm |
| Payload | — | — |
| Degrees of freedom | 22 | 23 |
| Runtime | 80 min | 120 min |
| Top speed | 0.4 m/s | 3.5 m/s |
| Price | $12.5k | — |
| Robo2u Score | 54 | 49 |
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.