Compare
Head to head.
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Figure 02 vs Apollo→
Two factory pilots, very different transparency levels.
Atlas Electric vs Optimus Gen 2→
Verified robotics lab maturity versus manufacturing-scale ambition.
Neo vs Digit→
Home-first soft robotics versus warehouse-first biped logistics.
G1 vs H1→
Unitree's compact platform against its faster full-size humanoid.
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vs
Quick read
GR-2 leads on more comparable public fields than Kepler Forerunner K2. This is not a blanket verdict: missing values are treated as not sourceable, and Reality Score/lifecycle should be read alongside the spec rows.
Kepler Forerunner K2 leads on
- Reality Score
- Runtime
GR-2 leads on
- Lifecycle
- Weight
- DoF (total)
Specs
Spec
Kepler Forerunner K2
GR-2
Lifecycle
Demo
Limited release
Reality Score
46 / 100
40 / 100
Height
175 cm
175 cm
Weight
75 kg
63 kg
Payload
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Runtime
8h
2h
Top speed
No sourceable public value for one side.
No sourceable public value
1.4 m/s
DoF (total)
52
53
DoF (per hand)
No sourceable public value for one side.
11
No sourceable public value
Actuator
No sourceable public value for one side.
Electric
No sourceable public value
Teleop
No sourceable public value for one side.
Hybrid
No sourceable public value
Evidence
Evidence
Kepler Forerunner K2
GR-2
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
Yes
No
Last reviewed
2026-05-19
2026-05-19
Source confidence
Source list published
Source list published