COMPARISON MATRIX4PLATFORMS SELECTED
COMPARE — SIDE BY SIDE

Comparison matrix

Units
View
Robots ×4
K2 ForerunnerK2 FORERUNNER
Kepler Robotics · CN
Walker S1WALKER S1
UBTECH Robotics
PhoenixPHOENIX
Sanctuary AI · CA
ApolloAPOLLO
Apptronik · US
① Commercial — maturity · obtainability
Commercial statusPROTOTYPEUNKNOWNPROTOTYPEPILOT
PriceNo confirmed pricingUNKNOWNNo confirmed pricingUNKNOWNNo confirmed pricingUNKNOWNNo confirmed pricingUNKNOWN
② Physical
Height (cm)178 cm172 cm170 cm172.7 cm
Weight (kg)85 kg76 kg70 kg72.6 kg
Payload (kg)15 kg15 kg25 kg24.9 kg
Walk speed (m/s)1.11 m/sUNKNOWN1.11 m/sUNKNOWN
Runtime (min)180 minUNKNOWN480 min240 min
MobilityUNKNOWNBIPEDALBIPEDALBIPEDAL
③ Manipulation · intelligence · developer
Hand typeUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Hand DOFUNKNOWNUNKNOWN20UNKNOWN
ManipulationUNKNOWNYESYESYES
AutonomyUNKNOWNSUPERVISED_AUTONOMYTELEOPERATEDSUPERVISED_AUTONOMY
VisionUNKNOWNUNKNOWNUNKNOWNYES
Language UIUNKNOWNUNKNOWNUNKNOWNUNKNOWN
SDKUNKNOWNUNKNOWNUNKNOWNUNKNOWN
ROS supportUNKNOWNUNKNOWNUNKNOWNUNKNOWN
Developer editionUNKNOWNUNKNOWNUNKNOWNUNKNOWN
④ Deployment — evidence
DeploymentsUNKNOWNUNKNOWNUNKNOWN1
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).