HumanoidRoster
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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.

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Tesla
Optimus Gen 2
Prototype51Reality
Sanctuary AI
Phoenix
Prototype50Reality
Quick read

Optimus Gen 2 leads on more comparable public fields than Phoenix. 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.

Optimus Gen 2 leads on
  • Reality Score
Phoenix

No automatic spec wins from sourceable comparable values.

Specs
Spec
Optimus Gen 2
Phoenix
Lifecycle
Prototype
Prototype
Reality Score
51 / 100
50 / 100
Height
No sourceable public value for one side.
No sourceable public value
170 cm
Weight
No sourceable public value for one side.
No sourceable public value
70 kg
Payload
No sourceable public value for one side.
No sourceable public value
25 kg
Runtime
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Top speed
No sourceable public value for one side.
No sourceable public value
1.3 m/s
DoF (total)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
DoF (per hand)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Actuator
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Teleop
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Evidence
Evidence
Optimus Gen 2
Phoenix
Public specs
No
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
No
Last reviewed
2026-05-19
2026-05-14
Source confidence
medium
Source list published