Compare
Head to head.
Choose robots to compare, or use the roster picker below. Spec-for-spec diff, Reality Score side-by-side, shareable URL.
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.
Search by opening the menu, or keep using the roster picker below.
Search by opening the menu, or keep using the roster picker below.
vs
Quick read
Kepler Forerunner K2 and GR-1 split the comparable public fields. Reality Score and lifecycle are included where published, but missing specs do not count as losses.
Kepler Forerunner K2 leads on
- Reality Score
- DoF (total)
GR-1 leads on
- Lifecycle
- Weight
Specs
Spec
Kepler Forerunner K2
GR-1
Lifecycle
Demo
Limited release
Reality Score
46 / 100
41 / 100
Height
175 cm
165 cm
Weight
75 kg
55 kg
Payload
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Runtime
No sourceable public value for one side.
8h
No sourceable public value
Top speed
No sourceable public value for one side.
No sourceable public value
1.4 m/s
DoF (total)
52
44
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-1
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