Robo2u
Quadruped Robots

B2 vs Bittle X

Quadruped robot spec comparison — Unitree vs Petoi.

Unitree

B2

63 / 100 Robo2u Score

Heavy-duty IP67 industrial quadruped for inspection and load carry

Petoi

Bittle X

51 / 100 Robo2u Score

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

SpecB2Bittle X
Released2023-112023
StatusProductionProduction
Payload40 kg0.45 kg
Weight60 kg0.29 kg
Degrees of freedom129
Runtime240 min60 min
Top speed6 m/s0.4 m/s
Price$100k$299
Robo2u Score6351

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.

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