humanoidrobots.systems

Fourier N1 vs PNDbotics Adam Lite

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

Fourier N1 is 30 cm shorter (130 vs 160 cm) and 22 kg lighter (38 vs 60 kg) than Adam Lite. Fourier N1 has 2 fewer degrees of freedom (23 vs 25) than Adam Lite. Openness score: Fourier N1 85, Adam Lite 20 (of 100); only Fourier N1 publishes CAD, BOM, SW and POL. Availability for both: buy.

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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 N1PNDboticsPNDbotics Adam LiteΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)PNDbotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
CountryChinaChina
Year (differs)20252024
Specifications
Height (differs)130cm160cm−30 cm (-19%)
Mass (differs)38kg60kg−22 kg (-37%)
Degrees of freedom (differs)2325−2 (-8%)
Payload—unsourced—unsourced
Top speed3.5m/s—unsourced
Runtime120min—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced—unsourced
Actuators (differs)Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12quasi-direct-drive actuators
Compute—unsourced—unsourced
Sensors—unsourced—unsourced
Openness and provenance
Openness bar8520
Openness score (differs)85/ 10020/ 100+65
CAD (25) (differs)publicnot public
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10) (differs)publicnot public
Trained policies (10) (differs)publicnot public
Verification levelL2L2
Sources (differs)84
Last checked (differs)2026-09-252026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier N1, Adam Lite.

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