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Spirit 40 vs Spot

Quadruped robot spec comparison — Ghost Robotics vs Boston Dynamics.

Ghost Robotics

Spirit 40

47 / 100 Robo2u Score

Compact defense quadruped for reconnaissance

Boston Dynamics

Spot

61 / 100 Robo2u Score

Iconic agile quadruped for industrial inspection and data capture

SpecSpirit 40Spot
Released20202020-06
StatusProductionProduction
Payload3 kg14 kg
Weight12 kg32.5 kg
Degrees of freedom1212
Runtime—90 min
Top speed2 m/s1.6 m/s
Price—$74.5k
Robo2u Score4761

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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