HumanoidRoster
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Kepler Robotics
Kepler Forerunner K2
Demo46Reality
Sanctuary AI
Phoenix
Prototype50Reality
Quick read

Phoenix 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. Public specs are sparse, so avoid over-reading the head-to-head.

Kepler Forerunner K2 leads on
  • Lifecycle
Phoenix leads on
  • Reality Score
  • Weight
Specs
Spec
Kepler Forerunner K2
Phoenix
Lifecycle
Demo
Prototype
Reality Score
46 / 100
50 / 100
Height
175 cm
170 cm
Weight
75 kg
70 kg
Payload
No sourceable public value for one side.
No sourceable public value
25 kg
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
1.3 m/s
DoF (total)
No sourceable public value for one side.
52
No sourceable public value
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
Phoenix
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
Yes
No
Last reviewed
2026-05-19
2026-05-14
Source confidence
Source list published
Source list published