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Fourier Intelligence
GR-1
Limited release41Reality
Fourier Intelligence
GR-3 Series
Demo51Reality
Quick read

GR-1 and GR-3 Series split the comparable public fields. Reality Score and lifecycle are included where published, but missing specs do not count as losses.

GR-1 leads on
  • Lifecycle
  • Weight
GR-3 Series leads on
  • Reality Score
  • DoF (total)
Specs
Spec
GR-1
GR-3 Series
Lifecycle
Limited release
Demo
Reality Score
41 / 100
51 / 100
Height
165 cm
165 cm
Weight
55 kg
71 kg
Payload
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Runtime
No sourceable public value for one side.
No sourceable public value
3h
Top speed
No sourceable public value for one side.
1.4 m/s
No sourceable public value
DoF (total)
44
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
GR-1
GR-3 Series
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
Yes
Last reviewed
2026-05-19
2026-06-06
Source confidence
Source list published
Source list published