humanoidrobots.systems

Fourier GR-1 vs Menlo Asimov 1

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

Fourier GR-1 is 45 cm taller (165 vs 120 cm) than Asimov 1. Openness score: Fourier GR-1 30, Asimov 1 70 (of 100); only Asimov 1 publishes CAD and FW. Availability: Fourier GR-1 buy, Asimov 1 kit.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-1Menlo Research (Asimov)Menlo Asimov 1Δ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)Menlo Research (Asimov)
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)BuyKit
Country (differs)ChinaSingapore
Year (differs)20232026
Specifications
Height (differs)165cm120cm+45 cm (+38%)
Mass—unsourced35kg
Degrees of freedom—unsourced25
Payload—unsourced—unsourced
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced20,000USD
Actuators (differs)Fourier FSA smart actuatorsCAN-bus actuators; 6 DOF/leg, 5 DOF/arm, 1 waist, 2 neck; RSU ankle with passive toes
Compute—unsourcedRaspberry Pi 5 (media/network) + Radxa CM5 (motion control)
Sensors—unsourced2MP monocular camera, stereo mic array, 6-DOF IMU, joint states
Openness and provenance
Openness bar3070
Openness score (differs)30/ 10070/ 100−40
CAD (25) (differs)not publicpublic
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification levelL1L1
Sources (differs)23
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier GR-1, Asimov 1.

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