humanoidrobots.systems

K-Scale K-Bot vs Menlo Asimov 1

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

K-Bot is 20 cm taller (140 vs 120 cm) and 1 kg lighter (34 vs 35 kg) than Asimov 1. K-Bot has 5 fewer degrees of freedom (20 vs 25) than Asimov 1. Listed prices: K-Bot $8,999, Asimov 1 $20,000. Openness score: K-Bot 100, Asimov 1 70 (of 100); only K-Bot publishes BOM and POL. Availability: K-Bot diy build, Asimov 1 kit.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldK-Scale LabsK-Scale K-BotMenlo Research (Asimov)Menlo Asimov 1Δ first − second
Identity
Maker (differs)K-Scale LabsMenlo Research (Asimov)
ClassHumanoidHumanoid
Status (differs)DiscontinuedActive
Availability (differs)DIY buildKit
Country (differs)United StatesSingapore
Year (differs)20252026
Specifications
Height (differs)140cm120cm+20 cm (+17%)
Mass (differs)34kg35kg−1 kg (-3%)
Degrees of freedom (differs)2025−5 (-20%)
Payload10kg—unsourced
Top speed—unsourced—unsourced
Runtime240min—unsourced
Battery capacity—unsourced—unsourced
Price (differs)8,999USD20,000USD−11,001 USD (-55%)
Actuators (differs)RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4CAN-bus actuators; 6 DOF/leg, 5 DOF/arm, 1 waist, 2 neck; RSU ankle with passive toes
Compute (differs)Raspberry Pi 5Raspberry Pi 5 (media/network) + Radxa CM5 (motion control)
Sensors (differs)cameras, microphones, head sensor array2MP monocular camera, stereo mic array, 6-DOF IMU, joint states
Openness and provenance
Openness bar10070
Openness score (differs)100/ 10070/ 100+30
CAD (25)publicpublic
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)publicpublic
Software (10)publicpublic
Trained policies (10) (differs)publicnot public
Verification levelL1L1
Sources (differs)73
Last checked (differs)2026-09-252026-09-24

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

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