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 GR-2 vs Unitree R1

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Fourier GR-2 is 52 cm taller (175 vs 123 cm) and 34 kg heavier (63 vs 29 kg) than Unitree R1. Fourier GR-2 has 27 more degrees of freedom (53 vs 26) than Unitree R1. Both score 30/100 on openness. Availability for both: buy.

Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-2Unitree RoboticsUnitree R1Δ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)Unitree Robotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
CountryChinaChina
Year (differs)20242025
Specifications
Height (differs)175cm123cm+52 cm (+42%)
Mass (differs)63kg29kg+34 kg (+117%)
Degrees of freedom (differs)5326+27 (+104%)
Payload3kg—unsourced
Top speed—unsourced—unsourced
Runtime (differs)120min60min+60 min (+100%)
Battery capacity—unsourced—unsourced
Price—unsourced5,900USD
Actuators (differs)Fourier FSA 2.0 actuators (>380 N·m peak)Unitree in-house electric joint motors
Compute—unsourced8-core CPU; optional Jetson Orin (40-100 TOPS)
Sensors—unsourced4-mic array, monocular or binocular camera, joint encoders
Openness and provenance
Openness bar3030
Openness score30/ 10030/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification levelL1L1
Sources22
Last checked2026-09-242026-09-24
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Best-documented pairs

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