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Unitree Aliengo vs Unitree B2-W

Two quadruped robots side by side: price, live offers and the specs both makers state, from the shops DroidHunt tracks.

Unitree AliengoUnitree B2-W
BrandUnitree RoboticsUnitree Robotics
From$49,999.99$88,900
Live offers3 at 3 shops9 at 5 shops
Weight21.5 kg ±1 kg (without battery)approx. 85 kg (with battery)
Payload13 kgover 40 kg walking; 120 kg standing
Max Speedover 1.5 m/s15 km/h (special configurations only)
Battery12,600 mAhover 2 kWh, 58 V
Dimensions650 × 310 × 600 mm (standing); 600 × 310 × 150 mm (folded)approx. 1,098 × 550 × 758 mm (standing); 950 × 550 × 450 mm (lying)
Max Slopeup to 25°over 45°

Prices last checked Nov 2, 2026. Only offers re-checked within 72 hours are counted.