humanoidrobots.systems

K-Scale Z-Bot (Zeroth Bot) vs PUDU D9

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

Z-Bot (Zeroth Bot) is 124 cm shorter (46 vs 170 cm) than PUDU D9. Z-Bot (Zeroth Bot) has 24 fewer degrees of freedom (18 vs 42) than PUDU D9. Z-Bot (Zeroth Bot) lists at $999; PUDU D9 is not for sale. Openness score: Z-Bot (Zeroth Bot) 90, PUDU D9 0 (of 100); only Z-Bot (Zeroth Bot) publishes CAD, BOM, SIM, FW and SW. Availability: Z-Bot (Zeroth Bot) diy build, PUDU D9 not for sale.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldK-Scale LabsK-Scale Z-Bot (Zeroth Bot)Pudu RoboticsPUDU D9Δ first − second
Identity
Maker (differs)K-Scale LabsPudu Robotics
ClassHumanoidHumanoid
Status (differs)OrphanedActive
Availability (differs)DIY buildNot for sale
Country (differs)United StatesChina
Year (differs)20252024
Specifications
Height (differs)46cm170cm−124 cm (-73%)
Mass—unsourced65kg
Degrees of freedom (differs)1842−24 (-57%)
Payload—unsourced20kg
Top speed—unsourced2m/s
Runtime—unsourced—unsourced
Battery capacity—unsourced720Wh
Price (differs)999USDNot for sale
Actuators (differs)18 servo motorsPudu joint modules (352 N·m max torque)
Compute—unsourced275 TOPS onboard
Sensors (differs)cameras, IMU (per press)RGB, RGB-D cameras, tactile sensors, IMU
Openness and provenance
Openness bar900
Openness score (differs)90/ 1000/ 100+90
CAD (25) (differs)publicnot public
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20) (differs)publicnot public
Firmware (15) (differs)publicnot public
Software (10) (differs)publicnot public
Trained policies (10)not publicnot public
Verification level (differs)L1L0
Sources (differs)32
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Z-Bot (Zeroth Bot), PUDU D9.

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