HumanoidRoster
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UBTECH
Walker S2
Demo53Reality
NEURA Robotics
4NE-1
Demo33Reality
Quick read

Walker S2 leads on more comparable public fields than 4NE-1. This is not a blanket verdict: missing values are treated as not sourceable, and Reality Score/lifecycle should be read alongside the spec rows.

Walker S2 leads on
  • Reality Score
  • Payload
4NE-1

No automatic spec wins from sourceable comparable values.

Specs
Spec
Walker S2
4NE-1
Lifecycle
Demo
Demo
Reality Score
53 / 100
33 / 100
Height
No sourceable public value for one side.
No sourceable public value
180 cm
Weight
No sourceable public value for one side.
No sourceable public value
80 kg
Payload
15 kg
10 kg
Runtime
No sourceable public value for one side.
No sourceable public value
12h
Top speed
No sourceable public value for one side.
No sourceable public value
1.4 m/s
DoF (total)
No sourceable public value for one side.
No sourceable public value
55
DoF (per hand)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Actuator
Electric
Electric
Teleop
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Evidence
Evidence
Walker S2
4NE-1
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
No
Last reviewed
2026-06-06
2026-05-16
Source confidence
Source list published
Source list published