humanoidrobots.systems

Fourier GR-2 vs PAL Kangaroo

Generated from the registry · revision 2026-09-26 · openness out of 100

Fourier GR-2 is 15 cm taller (175 vs 160 cm) than Kangaroo. Both score 30/100 on openness. Availability for both: buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-2PAL RoboticsPAL KangarooΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)PAL Robotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaSpain
Year (differs)20242021
Specifications
Height (differs)175cm160cm+15 cm (+9%)
Mass63kg—unsourced
Degrees of freedom53—unsourced
Payload3kg—unsourced
Top speed—unsourced—unsourced
Runtime120min—unsourced
Battery capacity—unsourced976Wh
Price—unsourced—unsourced
Actuators (differs)Fourier FSA 2.0 actuators (>380 N·m peak)custom linear actuators with integrated force sensors
Compute—unsourced2x Intel i7 PCs, optional NVIDIA Jetson
Sensors—unsourced4x RGB-D, 1 kHz IMU, optional F/T sensors
Openness and provenance
Openness bar3030
Openness score30/ 10030/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification levelL1L1
Sources22
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier GR-2, Kangaroo.

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