COMPARISON MATRIX4PLATFORMS SELECTED
COMPARE — SIDE BY SIDE

Comparison matrix

Units
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Robots ×4
Walker S1WALKER S1
UBTECH Robotics
Unitree Robotics · CN
PhoenixPHOENIX
Sanctuary AI · CA
AmecaAMECA
Engineered Arts · UK
① Commercial — maturity · obtainability
Commercial statusUNKNOWNCOMMERCIALPROTOTYPECOMMERCIAL
PriceNo confirmed pricingUNKNOWN$13,500PUBLICNo confirmed pricingUNKNOWNPrice on requestQUOTE_ONLY
PurchaseLIMITEDON_REQUEST
RentalAVAILABLE
② Physical
Height (cm)172 cm132 cm170 cm187 cm
Weight (kg)76 kg35 kg70 kgUNKNOWN
Payload (kg)15 kg2 kg25 kgUNKNOWN
Walk speed (m/s)UNKNOWNUNKNOWN1.11 m/sUNKNOWN
Runtime (min)UNKNOWN120 min480 minUNKNOWN
MobilityBIPEDALBIPEDALBIPEDALSTATIONARY
③ Manipulation · intelligence · developer
Hand typeUNKNOWNfixed non-dexterous hands (non-articulating; cannot grasp)UNKNOWNUNKNOWN
Hand DOFUNKNOWN020UNKNOWN
ManipulationYESNOYESUNKNOWN
AutonomySUPERVISED_AUTONOMYTELEOPERATEDTELEOPERATEDASSISTED
VisionUNKNOWNYESUNKNOWNYES
Language UIUNKNOWNYESUNKNOWNYES
SDKUNKNOWNNOUNKNOWNUNKNOWN
ROS supportUNKNOWNYESUNKNOWNUNKNOWN
Developer editionUNKNOWNNOUNKNOWNUNKNOWN
④ Deployment — evidence
DeploymentsUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Evidence confidenceUNKNOWNVERIFIEDUNKNOWNHIGH
best-in-row (numeric metrics with a leader only)— = not applicable / no offer in this modeUNKNOWN = no data (never 0/false)QUOTE = price on request ≠ unknown

// Best-in-row identifies a metric-specific numeric leader only. It is not a robot ranking, recommendation, fit score, or purchase recommendation. Reference deltas are factual differences in canonical units, not verdicts. Matching / fit scoring is out of scope (WS6).