COMPARISON MATRIX4PLATFORMS SELECTED
COMPARE — SIDE BY SIDE

Comparison matrix

Units
View
Robots ×4
K2 ForerunnerK2 FORERUNNER
Kepler Robotics · CN
PhoenixPHOENIX
Sanctuary AI · CA
HUBOHUBO
Rainbow Robotics
AmecaAMECA
Engineered Arts · UK
① Commercial — maturity · obtainability
Commercial statusPROTOTYPEPROTOTYPEUNKNOWNCOMMERCIAL
PriceNo confirmed pricingUNKNOWNNo confirmed pricingUNKNOWNNo confirmed pricingUNKNOWNPrice on requestQUOTE_ONLY
PurchaseON_REQUEST
RentalAVAILABLE
② Physical
Height (cm)178 cm170 cmUNKNOWN187 cm
Weight (kg)85 kg70 kgUNKNOWNUNKNOWN
Payload (kg)15 kg25 kgUNKNOWNUNKNOWN
Walk speed (m/s)1.11 m/s1.11 m/sUNKNOWNUNKNOWN
Runtime (min)180 min480 minUNKNOWNUNKNOWN
MobilityUNKNOWNBIPEDALUNKNOWNSTATIONARY
③ Manipulation · intelligence · developer
Hand typeUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Hand DOFUNKNOWN20UNKNOWNUNKNOWN
ManipulationUNKNOWNYESUNKNOWNUNKNOWN
AutonomyUNKNOWNTELEOPERATEDUNKNOWNASSISTED
VisionUNKNOWNUNKNOWNUNKNOWNYES
Language UIUNKNOWNUNKNOWNUNKNOWNYES
SDKUNKNOWNUNKNOWNUNKNOWNUNKNOWN
ROS supportUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Developer editionUNKNOWNUNKNOWNUNKNOWNUNKNOWN
④ Deployment — evidence
DeploymentsUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Evidence confidenceUNKNOWNUNKNOWNUNKNOWNHIGH
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).