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.

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Phoenix vs UBTech Walker S (S1 / S2)

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Phoenix has 10 kg more rated payload (25 vs 15 kg) than UBTech Walker S (S1 / S2). Both score 0/100 on openness. Availability: Phoenix not for sale, UBTech Walker S (S1 / S2) buy.

Side-by-side specifications. Rows marked with a square differ.
FieldSanctuary AISanctuary PhoenixUBTech RoboticsUBTech Walker S (S1 / S2)Δ first − second
Identity
Maker (differs)Sanctuary AIUBTech Robotics
ClassHumanoidHumanoid
Status (differs)ResearchActive
Availability (differs)Not for saleBuy
Country (differs)CanadaChina
Year20232023
Specifications
Height170cm—unsourced
Mass70kg—unsourced
Degrees of freedom—unsourced—unsourced
Payload (differs)25kg15kg+10 kg (+67%)
Top speed1.3m/s—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)Hydraulic hands (20 DOF total across both hands)Servo joints with force feedback
Compute (differs)Carbon AI control systemBrainNet 2.0 + Co-Agent (UBTech software)
Sensors (differs)Haptic sensing in handsRGB binocular stereo vision (S2)
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
Sources (differs)23
Last checked2026-09-242026-09-24
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