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Fourier N1
China · Open Source · 
Summary
Fourier N1 is Fourier's open-source humanoid robot, a distinct physical platform for open development (launched 2025 with the Fourier ActionNet dataset), separate from the commercial GRx series.
Identity
Status
Open Source
Category
Humanoid
Type
Humanoid
Function
Robot development
Audience
Robotics teams
Physical
HEIGHT
130cm
WEIGHT
38kg
Performance
DOF
23 whole-body
BATTERY
475 Wh, 39.6V rated, ~460W
RUNTIME
>2h
MAX SPEED
3.5 m/s
Other
PEAK JOINT TORQUE
144 Nm
CHARGE TIME
~3.5h
Height — ranked across 105 Humanoid platforms · this robot ranks #90
Weight — ranked across 88 Humanoid platforms · this robot ranks #71
Degrees of freedom — ranked across 89 Humanoid platforms · this robot ranks #68
Comparable systems — same status tier
Other systems from Fourier Intelligence
Context & Benchmark
Comparable systems: GR-1 (Fourier Intelligence), ROKAE Human.X Series (ROKAE Robotics), Expedition A3 (AgiBot).
Timeline
PRODUCT LAUNCH (11 Apr 2025) — 'Fourier releases N1 open-source humanoid platform': initial release included bill of materials, structural drawings, assembly guidance, base operation software; 1.3m tall, 38kg, 23 DoF; validation included 1,000+ hours outdoor complex-terrain testing, stable running up to 3.5 m/s.