K1 vs L7
Humanoid robot spec comparison — Booster Robotics vs RobotEra.
| Spec | K1 | L7 |
|---|---|---|
| Released | 2025-10 | 2025-07 |
| Status | Production | Pre-order |
| Height | 95 cm | 171 cm |
| Payload | — | 20 kg |
| Degrees of freedom | 22 | 55 |
| Runtime | 80 min | — |
| Top speed | 0.4 m/s | 4 m/s |
| Price | $12.5k | — |
| Robo2u Score | 54 | 47 |
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.
