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Fourier GR-1 vs Walker S2

Fourier

Fourier GR-1

Marketed as the world's first mass-produced humanoid, with rehabilitation-robotics roots.

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UBTech

Walker S2

UBTech's flagship industrial humanoid with a world-first autonomous hot-swap battery for 24/7 operation.

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Specs that differ are highlighted; the stronger value is marked.

MetricFourier GR-1Walker S2
Identity
ManufacturerFourierUBTech
CountryChinaChina
First unveiled20232025
AudiencesR&D · B2BB2B
Physical
Height165 cm176 cm
Weight55 kg73 kg
DOF40 52
Mobility
Locomotionbipedalbipedal
Walking speed1.4 m/s2 m/s
StairsYesYes
OutdoorNoNo
Power
Hot-swapYes
Compute & AI
Primary computeIntel Core i7-1185G7
AI acceleratorNVIDIA Jetson AGX Orin (275 TOPS)
VLMYes
Manipulation
Payload15 kg
End effectors11-DOF dexterous handsGen-4 dexterous hand (11 DOF each)
Fingers/hand5 5
Autonomy
Task planninghybridllm-agent
TeleoperationYesYes
VoiceYes
Availability
Stagegeneral-availabilitygeneral-availability
Price (USD)On requestOn request