Robo2u
Quadruped Robots

B2-W vs Bittle X

Quadruped robot spec comparison — Unitree Robotics vs Petoi.

Unitree Robotics

B2-W

66 / 100 Robo2u Score

Wheeled-leg industrial quadruped blending rolling speed with legged…

Petoi

Bittle X

51 / 100 Robo2u Score

Palm-sized open-source robot dog with voice control and coding…

SpecB2-WBittle X
Released2024-122023
StatusProductionProduction
Payload40 kg0.45 kg
Weight85 kg0.29 kg
Degrees of freedom129
Runtime300 min60 min
Top speed5.56 m/s0.4 m/s
Price$299
Robo2u Score6651

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.

More comparisons