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.

01

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02

Dropbear vs Z-Bot (Zeroth Bot)

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Dropbear is 134 cm taller (180 vs 46 cm) than Z-Bot (Zeroth Bot). Dropbear has 14 more degrees of freedom (32 vs 18) than Z-Bot (Zeroth Bot). Listed prices: Dropbear $9,999, Z-Bot (Zeroth Bot) $999. Openness score: Dropbear 100, Z-Bot (Zeroth Bot) 90 (of 100); only Dropbear publishes POL. Availability: Dropbear preorder, Z-Bot (Zeroth Bot) diy build.

Side-by-side specifications. Rows marked with a square differ.
FieldHyperspawn RoboticsHyperspawn DropbearK-Scale LabsK-Scale Z-Bot (Zeroth Bot)Δ first − second
Identity
Maker (differs)Hyperspawn RoboticsK-Scale Labs
ClassHumanoidHumanoid
Status (differs)ActiveOrphaned
Availability (differs)PreorderDIY build
Country (differs)IndiaUnited States
Year (differs)20232025
Specifications
Height (differs)180cm46cm+134 cm (+291%)
Mass45kg—unsourced
Degrees of freedom (differs)3218+14 (+78%)
Payload5kg—unsourced
Top speed—unsourced—unsourced
Runtime120min—unsourced
Battery capacity960Wh—unsourced
Price (differs)9,999USD999USD+9,000 USD (+901%)
Actuators (differs)MyActuator RMD-X10, RMD-X8, RMD-X6 and CEM-60 over 1 Mbit/s CAN (18 per the 2026 BOM; myactuator-can lists 12 RMD-X8 Pro, 4 RMD-X10 V3, 6 CEM-60); 6 NEMA 17 lead-screw steppers in the Stewart-platform neck. hyperspawn.ai: servo + QDD.18 servo motors
ComputeNVIDIA Jetson AGX Orin 64GB (BOM; Orin NX 16GB alternative) plus one ESP32-DevKitC-V4 CAN node per limb. Kit: Raspberry Pi 5 base, Jetson Orin advanced.—unsourced
Sensors (differs)Intel RealSense D455f depth camera, IMU (center-IMU controller role), foot load cells (4x HX711 per foot, dropbear-feet), actuator encoders; five AS5600 magnetic angle sensors per leg controller (observation-safe firmware)cameras, IMU (per press)
Openness and provenance
Openness bar10090
Openness score (differs)100/ 10090/ 100+10
CAD (25)publicpublic
Bill of materials (20)publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)publicpublic
Software (10)publicpublic
Trained policies (10) (differs)publicnot public
Verification level (differs)L2L1
Sources (differs)163
Last checked (differs)2026-09-252026-09-24
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Best-documented pairs

most sourced fields on both sides