humanoidrobots.systems

Figure 03 vs K-Scale Z-Bot (Zeroth Bot)

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

Figure 03 is 126 cm taller (172 vs 46 cm) than Z-Bot (Zeroth Bot). Figure 03 has 17 more degrees of freedom (35 vs 18) than Z-Bot (Zeroth Bot). Z-Bot (Zeroth Bot) lists at $999; Figure 03 is not for sale. Openness score: Figure 03 0, Z-Bot (Zeroth Bot) 90 (of 100); only Z-Bot (Zeroth Bot) publishes CAD, BOM, SIM, FW and SW. Availability: Figure 03 not for sale, Z-Bot (Zeroth Bot) diy build.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldFigure AIFigure 03K-Scale LabsK-Scale Z-Bot (Zeroth Bot)Δ first − second
Identity
Maker (differs)Figure AIK-Scale Labs
ClassHumanoidHumanoid
Status (differs)ActiveOrphaned
Availability (differs)Not for saleDIY build
CountryUnited StatesUnited States
Year20252025
Specifications
Height (differs)172cm46cm+126 cm (+274%)
Mass61kg—unsourced
Degrees of freedom (differs)3518+17 (+94%)
Payload20kg—unsourced
Top speed—unsourced—unsourced
Runtime300min—unsourced
Battery capacity—unsourced—unsourced
Price (differs)Not for sale999USD
Actuators (differs)Electric; 2x faster with improved torque density vs F.0218 servo motors
ComputeHelix VLA onboard—unsourced
Sensors (differs)Redesigned cameras (2x frame rate, 60% wider FOV), palm cameras, fingertip tactile sensors (~3 g)cameras, IMU (per press)
Openness and provenance
Openness bar090
Openness score (differs)0/ 10090/ 100−90
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15) (differs)not publicpublic
Software (10) (differs)not publicpublic
Trained policies (10)not publicnot public
Verification level (differs)L0L1
Sources (differs)23
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Figure 03, Z-Bot (Zeroth Bot).

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