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 K-Bot

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Dropbear is 40 cm taller (180 vs 140 cm) and 11 kg heavier (45 vs 34 kg) than K-Bot. Dropbear has 12 more degrees of freedom (32 vs 20) and 5 kg less rated payload (5 vs 10 kg) than K-Bot. Listed prices: Dropbear $9,999, K-Bot $8,999. Both score 100/100 on openness. Availability: Dropbear preorder, K-Bot diy build.

Side-by-side specifications. Rows marked with a square differ.
FieldHyperspawn RoboticsHyperspawn DropbearK-Scale LabsK-Scale K-BotΔ first − second
Identity
Maker (differs)Hyperspawn RoboticsK-Scale Labs
ClassHumanoidHumanoid
Status (differs)ActiveDiscontinued
Availability (differs)PreorderDIY build
Country (differs)IndiaUnited States
Year (differs)20232025
Specifications
Height (differs)180cm140cm+40 cm (+29%)
Mass (differs)45kg34kg+11 kg (+32%)
Degrees of freedom (differs)3220+12 (+60%)
Payload (differs)5kg10kg−5 kg (-50%)
Top speed—unsourced—unsourced
Runtime (differs)120min240min−120 min (-50%)
Battery capacity960Wh—unsourced
Price (differs)9,999USD8,999USD+1,000 USD (+11%)
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.RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4
Compute (differs)NVIDIA 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.Raspberry Pi 5
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, microphones, head sensor array
Openness and provenance
Openness bar100100
Openness score100/ 100100/ 100=
CAD (25)publicpublic
Bill of materials (20)publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)publicpublic
Software (10)publicpublic
Trained policies (10)publicpublic
Verification level (differs)L2L1
Sources (differs)167
Last checked2026-09-252026-09-25
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Best-documented pairs

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