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UBTECH
Walker
Discontinued42Reality
Fourier Intelligence
GR-3 Series
Demo51Reality
Quick read

GR-3 Series leads on more comparable public fields than Walker. This is not a blanket verdict: missing values are treated as not sourceable, and Reality Score/lifecycle should be read alongside the spec rows.

Walker

No automatic spec wins from sourceable comparable values.

GR-3 Series leads on
  • Lifecycle
  • Reality Score
  • Weight
  • Runtime
  • DoF (total)
Specs
Spec
Walker
GR-3 Series
Lifecycle
Discontinued
Demo
Reality Score
42 / 100
51 / 100
Height
145 cm
165 cm
Weight
77 kg
71 kg
Payload
No sourceable public value for one side.
2 kg
No sourceable public value
Runtime
2h
3h
Top speed
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
DoF (total)
36
55
DoF (per hand)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Actuator
No sourceable public value for one side.
No sourceable public value
Electric
Teleop
No sourceable public value for one side.
No sourceable public value
Hybrid
Evidence
Evidence
Walker
GR-3 Series
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
Yes
Last reviewed
2026-05-14
2026-06-06
Source confidence
Source list published
Source list published