humanoidrobots.systems

Boston Atlas (hydraulic) vs Poppy Humanoid

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

No height, mass, DOF or payload figure is sourced for both Atlas (hydraulic) and Poppy Humanoid yet. Openness score: Atlas (hydraulic) 0, Poppy Humanoid 90 (of 100); only Poppy Humanoid publishes CAD, BOM, SIM, FW and SW. Availability: Atlas (hydraulic) research only, Poppy Humanoid kit.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldBoston DynamicsBoston Atlas (hydraulic)Poppy Project (Inria Flowers)Poppy HumanoidΔ first − second
Identity
Maker (differs)Boston DynamicsPoppy Project (Inria Flowers)
ClassHumanoidHumanoid
Status (differs)DiscontinuedOrphaned
Availability (differs)Research onlyKit
Country (differs)United StatesFrance
Year2013—unsourced
Specifications
Height—unsourced84cm
Mass—unsourced3.5kg
Degrees of freedom—unsourced25
Payload—unsourced—unsourced
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)HydraulicDynamixel: 19 MX-28AT, 4 MX-64AT, 2 AX-12A
Compute—unsourcedRaspberry Pi (current kit version)
Sensors—unsourced—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

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Atlas (hydraulic), Poppy Humanoid.

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