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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Atlas (electric) vs Fourier N1

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Atlas (electric) is 20 cm taller (150 vs 130 cm) and 51 kg heavier (89 vs 38 kg) than Fourier N1. Atlas (electric) has 33 more degrees of freedom (56 vs 23) than Fourier N1. Openness score: Atlas (electric) 0, Fourier N1 85 (of 100); only Fourier N1 publishes CAD, BOM, SIM, SW and POL. Availability: Atlas (electric) not for sale, Fourier N1 buy.

Side-by-side specifications. Rows marked with a square differ.
FieldBoston DynamicsBoston Atlas (electric)Fourier (Fourier Intelligence)Fourier N1Δ first − second
Identity
Maker (differs)Boston DynamicsFourier (Fourier Intelligence)
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)Not for saleBuy
Country (differs)United StatesChina
Year (differs)20242025
Specifications
Height (differs)150cm130cm+20 cm (+15%)
Mass (differs)89kg38kg+51 kg (+134%)
Degrees of freedom (differs)5623+33 (+143%)
Payload50kg—unsourced
Top speed—unsourced3.5m/s
Runtime (differs)240min120min+120 min (+100%)
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)Electric; actuators supplied by Hyundai MobisFourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12
Compute—unsourced—unsourced
Sensors360-degree cameras; tactile-sensing hands—unsourced
Openness and provenance
Openness bar085
Openness score (differs)0/ 10085/ 100−85
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15)not publicnot public
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification level (differs)L0L2
Sources (differs)38
Last checked (differs)2026-09-242026-09-25
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Best-documented pairs

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