humanoidrobots.systems

Fourier GR-1 vs Stanford ToddlerBot

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

Fourier GR-1 is 109 cm taller (165 vs 56 cm) than ToddlerBot. Openness score: Fourier GR-1 30, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, FW and POL. Availability: Fourier GR-1 buy, ToddlerBot diy build.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-1Stanford UniversityStanford ToddlerBotΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)Stanford University
ClassHumanoidHumanoid
Status (differs)ActiveResearch
Availability (differs)BuyDIY build
Country (differs)ChinaUnited States
Year (differs)20232025
Specifications
Height (differs)165cm56cm+109 cm (+195%)
Mass—unsourced3.4kg
Degrees of freedom—unsourced30
Payload—unsourced1.48kg
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced—unsourced
Actuators (differs)Fourier FSA smart actuatorsservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist
Compute—unsourcedNVIDIA Jetson Orin NX 16GB
Sensors—unsourced—unsourced
Openness and provenance
Openness bar30100
Openness score (differs)30/ 100100/ 100−70
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10)publicpublic
Trained policies (10) (differs)not publicpublic
Verification level (differs)L1L2
Sources (differs)23
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: Fourier GR-1, ToddlerBot.

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