humanoidrobots.systems

Fourier N1 vs K-Scale K-Bot

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

Fourier N1 is 10 cm shorter (130 vs 140 cm) and 4 kg heavier (38 vs 34 kg) than K-Bot. Fourier N1 has 3 more degrees of freedom (23 vs 20) than K-Bot. Openness score: Fourier N1 85, K-Bot 100 (of 100); only K-Bot publishes FW. Availability: Fourier N1 buy, K-Bot 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 N1K-Scale LabsK-Scale K-BotΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)K-Scale Labs
ClassHumanoidHumanoid
Status (differs)ActiveDiscontinued
Availability (differs)BuyDIY build
Country (differs)ChinaUnited States
Year20252025
Specifications
Height (differs)130cm140cm−10 cm (-7%)
Mass (differs)38kg34kg+4 kg (+12%)
Degrees of freedom (differs)2320+3 (+15%)
Payload—unsourced10kg
Top speed3.5m/s—unsourced
Runtime (differs)120min240min−120 min (-50%)
Battery capacity—unsourced—unsourced
Price—unsourced8,999USD
Actuators (differs)Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4
Compute—unsourcedRaspberry Pi 5
Sensors—unsourcedcameras, microphones, head sensor array
Openness and provenance
Openness bar85100
Openness score (differs)85/ 100100/ 100−15
CAD (25)publicpublic
Bill of materials (20)publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10)publicpublic
Trained policies (10)publicpublic
Verification level (differs)L2L1
Sources (differs)87
Last checked2026-09-252026-09-25

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier N1, K-Bot.

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