humanoidrobots.systems

Fourier GR-2 vs PUDU D9

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

Fourier GR-2 is 5 cm taller (175 vs 170 cm) and 2 kg lighter (63 vs 65 kg) than PUDU D9. Fourier GR-2 has 11 more degrees of freedom (53 vs 42) and 17 kg less rated payload (3 vs 20 kg) than PUDU D9. Openness score: Fourier GR-2 30, PUDU D9 0 (of 100); only Fourier GR-2 publishes SIM and SW. Availability: Fourier GR-2 buy, PUDU D9 not for sale.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-2Pudu RoboticsPUDU D9Δ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)Pudu Robotics
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)BuyNot for sale
CountryChinaChina
Year20242024
Specifications
Height (differs)175cm170cm+5 cm (+3%)
Mass (differs)63kg65kg−2 kg (-3%)
Degrees of freedom (differs)5342+11 (+26%)
Payload (differs)3kg20kg−17 kg (-85%)
Top speed—unsourced2m/s
Runtime120min—unsourced
Battery capacity—unsourced720Wh
Price—unsourcedNot for sale
Actuators (differs)Fourier FSA 2.0 actuators (>380 N·m peak)Pudu joint modules (352 N·m max torque)
Compute—unsourced275 TOPS onboard
Sensors—unsourcedRGB, RGB-D cameras, tactile sensors, IMU
Openness and provenance
Openness bar300
Openness score (differs)30/ 1000/ 100+30
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)publicnot public
Firmware (15)not publicnot public
Software (10) (differs)publicnot public
Trained policies (10)not publicnot public
Verification level (differs)L1L0
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, PUDU D9.

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