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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.

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Sanctuary AI Phoenix Gen 7 humanoid robot×
Sanctuary AI
Phoenix
Prototype50Reality
Kepler Forerunner K2 official hero frame from product page video×
Kepler Robotics
Kepler Forerunner K2
Demo46Reality
⇄ Swap sides
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.

Phoenix leads on
  • Reality Score
  • Weight
Kepler Forerunner K2 leads on
  • Lifecycle
Specs
Spec
Phoenix
Kepler Forerunner K2
Lifecycle
Prototype
Demo
Reality Score
50 / 100
46 / 100
Height
170 cm
175 cm
Weight
70 kg
75 kg
Payload
No sourceable public value for one side.
25 kg
No sourceable public value
Runtime
No sourceable public value for one side.
No sourceable public value
8h
Top speed
No sourceable public value for one side.
1.3 m/s
No sourceable public value
DoF (total)
No sourceable public value for one side.
No sourceable public value
52
DoF (per hand)
No sourceable public value for one side.
No sourceable public value
11
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
Phoenix
Kepler Forerunner K2
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
Yes
Last reviewed
2026-05-14
2026-05-19
Source confidence
Source list published
Source list published