humanoidrobots.systems

UC Berkeley Humanoid vs Fourier N1

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

Berkeley Humanoid is 45 cm shorter (85 vs 130 cm) and 22 kg lighter (16 vs 38 kg) than Fourier N1. Berkeley Humanoid has 11 fewer degrees of freedom (12 vs 23) than Fourier N1. Openness score: Berkeley Humanoid 30, Fourier N1 85 (of 100); only Fourier N1 publishes CAD, BOM and POL. Availability: Berkeley Humanoid research only, Fourier N1 buy.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldUC Berkeley Hybrid Robotics LabUC Berkeley HumanoidFourier (Fourier Intelligence)Fourier N1Δ first − second
Identity
Maker (differs)UC Berkeley Hybrid Robotics LabFourier (Fourier Intelligence)
Class (differs)BipedHumanoid
Status (differs)ResearchActive
Availability (differs)Research onlyBuy
Country (differs)United StatesChina
Year (differs)20242025
Specifications
Height (differs)85cm130cm−45 cm (-35%)
Mass (differs)16kg38kg−22 kg (-58%)
Degrees of freedom (differs)1223−11 (-48%)
Payload—unsourced—unsourced
Top speed—unsourced3.5m/s
Runtime—unsourced120min
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)custom 5013/8513/8518/10413 motors, 9:1 planetary, EtherCATFourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12
ComputeIntel i7-1255U onboard PC—unsourced
SensorsIMU, joint encoders—unsourced
Openness and provenance
Openness bar3085
Openness score (differs)30/ 10085/ 100−55
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10)publicpublic
Trained policies (10) (differs)not publicpublic
Verification levelL2L2
Sources (differs)38
Last checked (differs)2026-09-242026-09-25

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

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