B1 vs B2
Quadruped robot spec comparison — Unitree Robotics vs Unitree.
| Spec | B1 | B2 |
|---|---|---|
| Released | 2022 | 2023-11 |
| Status | Production | Production |
| Payload | 20 kg | 40 kg |
| Weight | 50 kg | 60 kg |
| Degrees of freedom | 12 | 12 |
| Runtime | 150 min | 240 min |
| Top speed | 1.8 m/s | 6 m/s |
| Price | — | $100k |
| Robo2u Score | 55 | 63 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Quadruped Robots for the full field.