humanoidrobots.systems

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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 N1 vs Rainbow Robotics RB-Y1

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Fourier N1 is 10 cm shorter (130 vs 140 cm) and 93 kg lighter (38 vs 131 kg) than Rainbow Robotics RB-Y1. Fourier N1 has 3 more degrees of freedom (23 vs 20) than Rainbow Robotics RB-Y1. Openness score: Fourier N1 85, Rainbow Robotics RB-Y1 30 (of 100); only Fourier N1 publishes CAD, BOM and POL. Availability for both: buy.

Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier N1Rainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)Rainbow Robotics
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaSouth Korea
Year (differs)20252024
Specifications
Height (differs)130cm140cm−10 cm (-7%)
Mass (differs)38kg131kg−93 kg (-71%)
Degrees of freedom (differs)2320+3 (+15%)
Payload—unsourced3kg
Top speed (differs)3.5m/s1.5m/s+2 m/s (+133%)
Runtime120min—unsourced
Battery capacity—unsourced1,250Wh
Price—unsourced—unsourced
Actuators (differs)Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12Rainbow in-house joint modules
Compute—unsourcedDual-PC (real-time robot PC + user PC with ROS 2)
Sensors—unsourcedBuilt-in wrist force/torque sensors (v1.2); optional camera
Openness and provenance
Openness bar8530
Openness score (differs)85/ 10030/ 100+55
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)publicpublic
Trained policies (10) (differs)publicnot public
Verification levelL2L2
Sources (differs)82
Last checked (differs)2026-09-252026-09-24
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Best-documented pairs

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