humanoidrobots.systems

Boston Atlas (hydraulic) vs Kepler Forerunner K2 "Bumblebee"

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 Kepler Forerunner K2 "Bumblebee" yet. Kepler Forerunner K2 "Bumblebee" lists at $30,000; Atlas (hydraulic) is not for sale. Both score 0/100 on openness. Availability: Atlas (hydraulic) research only, Kepler Forerunner K2 "Bumblebee" buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldBoston DynamicsBoston Atlas (hydraulic)Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee"Δ first − second
Identity
Maker (differs)Boston DynamicsKepler Robotics (Shanghai Kepler Exploration Robot Co.)
ClassHumanoidHumanoid
Status (differs)DiscontinuedActive
Availability (differs)Research onlyBuy
Country (differs)United StatesChina
Year (differs)20132024
Specifications
Height—unsourced175cm
Mass—unsourced75kg
Degrees of freedom—unsourced52
Payload—unsourced30kg
Top speed—unsourced—unsourced
Runtime—unsourced480min
Battery capacity—unsourced2,330Wh
Price (differs)Not for sale30,000USD
Actuators (differs)HydraulicHybrid roller-screw linear + rotary actuators
Compute—unsourced100 TOPS onboard
Sensors—unsourced80+ integrated sensors; tactile dexterous hands
Openness and provenance
Openness bar00
Openness score0/ 1000/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)not publicnot public
Firmware (15)not publicnot public
Software (10)not publicnot public
Trained policies (10)not publicnot public
Verification levelL0L0
Sources22
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Atlas (hydraulic), Kepler Forerunner K2 "Bumblebee".

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