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Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

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Fourier GR-2 vs Adam Lite

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Fourier GR-2 is 15 cm taller (175 vs 160 cm) and 3 kg heavier (63 vs 60 kg) than Adam Lite. Fourier GR-2 has 28 more degrees of freedom (53 vs 25) than Adam Lite. Openness score: Fourier GR-2 30, Adam Lite 20 (of 100); only Fourier GR-2 publishes SW. Availability for both: buy.

Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-2PNDboticsPNDbotics Adam LiteΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)PNDbotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
CountryChinaChina
Year20242024
Specifications
Height (differs)175cm160cm+15 cm (+9%)
Mass (differs)63kg60kg+3 kg (+5%)
Degrees of freedom (differs)5325+28 (+112%)
Payload3kg—unsourced
Top speed—unsourced—unsourced
Runtime120min—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced—unsourced
Actuators (differs)Fourier FSA 2.0 actuators (>380 N·m peak)quasi-direct-drive actuators
Compute—unsourced—unsourced
Sensors—unsourced—unsourced
Openness and provenance
Openness bar3020
Openness score (differs)30/ 10020/ 100+10
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) (differs)publicnot public
Trained policies (10)not publicnot public
Verification level (differs)L1L2
Sources (differs)24
Last checked2026-09-242026-09-24
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