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Head to head.
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Start with a guided matchup
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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Quick read
4NE-1 and Kepler Forerunner K2 split the comparable public fields. Reality Score and lifecycle are included where published, but missing specs do not count as losses.
4NE-1 leads on
- Runtime
- DoF (total)
Kepler Forerunner K2 leads on
- Reality Score
- Weight
Specs
Spec
4NE-1
Kepler Forerunner K2
Lifecycle
Demo
Demo
Reality Score
33 / 100
46 / 100
Height
180 cm
175 cm
Weight
80 kg
75 kg
Payload
No sourceable public value for one side.
10 kg
No sourceable public value
Runtime
12h
8h
Top speed
No sourceable public value for one side.
1.4 m/s
No sourceable public value
DoF (total)
55
52
DoF (per hand)
No sourceable public value for one side.
No sourceable public value
11
Actuator
Electric
Electric
Teleop
No sourceable public value for one side.
No sourceable public value
Hybrid
Evidence
Evidence
4NE-1
Kepler Forerunner K2
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
Yes
Last reviewed
2026-05-16
2026-05-19
Source confidence
Source list published
Source list published