humanoidrobots.systems

Compare humanoids

Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

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Kepler Forerunner K2 "Bumblebee" vs Poppy Humanoid

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Kepler Forerunner K2 "Bumblebee" is 91 cm taller (175 vs 84 cm) and 71.5 kg heavier (75 vs 3.5 kg) than Poppy Humanoid. Kepler Forerunner K2 "Bumblebee" has 27 more degrees of freedom (52 vs 25) than Poppy Humanoid. Openness score: Kepler Forerunner K2 "Bumblebee" 0, Poppy Humanoid 90 (of 100); only Poppy Humanoid publishes CAD, BOM, SIM, FW and SW. Availability: Kepler Forerunner K2 "Bumblebee" buy, Poppy Humanoid kit.

Side-by-side specifications. Rows marked with a square differ.
FieldKepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee"Poppy Project (Inria Flowers)Poppy HumanoidΔ first − second
Identity
Maker (differs)Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Poppy Project (Inria Flowers)
ClassHumanoidHumanoid
Status (differs)ActiveOrphaned
Availability (differs)BuyKit
Country (differs)ChinaFrance
Year2024—unsourced
Specifications
Height (differs)175cm84cm+91 cm (+108%)
Mass (differs)75kg3.5kg+71.5 kg (+2043%)
Degrees of freedom (differs)5225+27 (+108%)
Payload30kg—unsourced
Top speed—unsourced—unsourced
Runtime480min—unsourced
Battery capacity2,330Wh—unsourced
Price30,000USD—unsourced
Actuators (differs)Hybrid roller-screw linear + rotary actuatorsDynamixel: 19 MX-28AT, 4 MX-64AT, 2 AX-12A
Compute (differs)100 TOPS onboardRaspberry Pi (current kit version)
Sensors80+ integrated sensors; tactile dexterous hands—unsourced
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)26
Last checked (differs)2026-09-242026-09-25
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Best-documented pairs

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