humanoidrobots.systems

PAL Kangaroo vs UBTech Walker S (S1 / S2)

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

No height, mass, DOF or payload figure is sourced for both Kangaroo and UBTech Walker S (S1 / S2) yet. Openness score: Kangaroo 30, UBTech Walker S (S1 / S2) 0 (of 100); only Kangaroo publishes SIM and SW. Availability for both: buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldPAL RoboticsPAL KangarooUBTech RoboticsUBTech Walker S (S1 / S2)Δ first − second
Identity
Maker (differs)PAL RoboticsUBTech Robotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)SpainChina
Year (differs)20212023
Specifications
Height160cm—unsourced
Mass—unsourced—unsourced
Degrees of freedom—unsourced—unsourced
Payload—unsourced15kg
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity976Wh—unsourced
Price—unsourced—unsourced
Actuators (differs)custom linear actuators with integrated force sensorsServo joints with force feedback
Compute (differs)2x Intel i7 PCs, optional NVIDIA JetsonBrainNet 2.0 + Co-Agent (UBTech software)
Sensors (differs)4x RGB-D, 1 kHz IMU, optional F/T sensorsRGB binocular stereo vision (S2)
Openness and provenance
Openness bar300
Openness score (differs)30/ 1000/ 100+30
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)publicnot public
Firmware (15)not publicnot public
Software (10) (differs)publicnot public
Trained policies (10)not publicnot public
Verification level (differs)L1L0
Sources (differs)23
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Kangaroo, UBTech Walker S (S1 / S2).

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