AI Video Rated

What each video generator's own policy lets you put on screen

Age of majority in sign-up rules

The age of majority is the age at which a person is legally an adult, usually eighteen, but not everywhere. Below, Higgsfield, Moonvalley, Runway and Story.com show how the wording varies. From 5 source pages, read 2026-09-25; no maker pays to be listed.

Age of majority, as the policies use itThe age of majority is the age at which a person is legally an adult, usually eighteen, but not everywhere. Texts use it to set a floor that follows local law rather than a single number. Tools quoted: Higgsfield, Moonvalley, Runway, Story.com and Vidu.TermAge of majorityThe age of majority is the age at which a person is legally anadult, usually eighteen, but not everywhere.Quoted fromHiggsfield, Moonvalley, Runway, Story.com and ViduRead2026-09-25
Fig. 1 The definition is this file's; the wording in the table is each vendor's.

The age of majority is the age at which a person is legally an adult, usually eighteen, but not everywhere. Texts use it to set a floor that follows local law rather than a single number.

It is often paired with the ability to form a binding contract, which is the reason terms of service care about it.

1How vendors word it

How the term “age of majority” appears in quoted policy text, read 2026-09-25.
ToolWhat the text saysField
Higgsfield18, or the age of majority where that is higherAge
MoonvalleyTerms of Service: under 18, or under the local age of majority, may not use itAge
RunwayAt least 13, and of legal age to form a binding contractAge
Story.comBetween 13 and the age of majority, a parent or guardian agrees on the user's behalfAge
Vidu18, or the local age of majorityAge

Inclusion rule. Tools in the register whose quoted text uses the term or a direct equivalent; one statement per tool. Order. Alphabetical by tool name.

You must be at least 18 years old, or the age of legal majority in your jurisdiction if higher, to create an Account or use the Service.

Higgsfield Terms of Use Agreement

If you are under 18 years of age (or the age of legal majority where you live), you may not use our Services.

Moonvalley Terms of Service

You represent that you are (i) at least thirteen (13) years old, (ii) of legal age to form a binding contract

Runway Terms of Use
  • Section 2.1
    18, or the age of majority where that is higherEligibilityHiggsfield Terms of Use Agreement / recorded 2026-09-25
  • Section 2a
    Terms of Service: under 18, or under the local age of majority, may not use itAgeMoonvalley Terms of Service / recorded 2026-09-25
  • Section 2.2
    At least 13, and of legal age to form a binding contractRegistration data and age requirementsRunway Terms of Use / recorded 2026-09-25
  • Section 6
    Between 13 and the age of majority, a parent or guardian agrees on the user's behalfEligibilityStory.com Terms of Service / since 2026-01-20 / checked 2026-09-25
  • Eligibility
    18, or the local age of majorityVidu Terms of Service / since 2026-07-03 / checked 2026-09-25

2What one generator puts on screen

Policy wording in “Age of majority” meets production here; SceneMixer's pages describe its side like this:

A face becomes specific through things that can be drawn: the shape of the jaw and brow, the set of the eyes, the nose bridge, the lips, skin tone, hair line and cut, age as it shows on the face, and one unmistakable anchor.

SceneMixer, How to Describe a Character’s Face So the Model Draws This Person and Not a Generic Pretty One (read 2026-10-13)

Every character comes out of the script read with a voice described in words — age, weight, pace, where it sits.

SceneMixer, How Character Voices Work (read 2026-10-13)

3Related terms