COMPARISON MATRIX4PLATFORMS SELECTED
COMPARE — SIDE BY SIDE

Comparison matrix

Units
View
Robots ×4
K2 ForerunnerK2 FORERUNNER
Kepler Robotics · CN
AmecaAMECA
Engineered Arts · UK
PhoenixPHOENIX
Sanctuary AI · CA
Unitree Robotics · CN
① Commercial — maturity · obtainability
Commercial statusPROTOTYPECOMMERCIALPROTOTYPECOMMERCIAL
PriceNo confirmed pricingUNKNOWNPrice on requestQUOTE_ONLYNo confirmed pricingUNKNOWN$13,500PUBLIC
PurchaseON_REQUESTLIMITED
RentalAVAILABLE
② Physical
Height (cm)178 cm187 cm170 cm132 cm
Weight (kg)85 kgUNKNOWN70 kg35 kg
Payload (kg)15 kgUNKNOWN25 kg2 kg
Walk speed (m/s)1.11 m/sUNKNOWN1.11 m/sUNKNOWN
Runtime (min)180 minUNKNOWN480 min120 min
MobilityUNKNOWNSTATIONARYBIPEDALBIPEDAL
③ Manipulation · intelligence · developer
Hand typeUNKNOWNUNKNOWNUNKNOWNfixed non-dexterous hands (non-articulating; cannot grasp)
Hand DOFUNKNOWNUNKNOWN200
ManipulationUNKNOWNUNKNOWNYESNO
AutonomyUNKNOWNASSISTEDTELEOPERATEDTELEOPERATED
VisionUNKNOWNYESUNKNOWNYES
Language UIUNKNOWNYESUNKNOWNYES
SDKUNKNOWNUNKNOWNUNKNOWNNO
ROS supportUNKNOWNUNKNOWNUNKNOWNYES
Developer editionUNKNOWNUNKNOWNUNKNOWNNO
④ Deployment — evidence
DeploymentsUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Evidence confidenceUNKNOWNHIGHUNKNOWNVERIFIED
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).