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AI YouTube Shorts: how to make vertical videos people watch to the end

By VODOO AI · · 4 min read

YouTube Shorts reward one thing above all: people watching to the end. A Short that keeps viewers for its full length gets shown to more of them, and that is true whether you film it on a phone or make it with AI. The good news is that AI makes it cheap to try lots of openings and keep the ones that work.

This guide covers the shape of a Short that works, which engines to use for each part, briefs you can copy, and how to keep a channel looking like one channel rather than a pile of random clips.

The shape of a Short that works

  1. 01
    The hook, first secondSomething moving, surprising or unfinished. No logo, no intro, no "hey guys".
  2. 02
    The middle, a few seconds eachTwo or three shots that pay off the hook. Change the picture every two to three seconds.
  3. 03
    The endingFinish on the answer, the reveal or a line that loops back to the start.

Which engine for which shot

  • A fast, punchy hook

    Try
    Seedance
    Why
    Quick and made for vertical
  • A person talking to camera

    Try
    Veo
    Why
    Voice, lips and sound together
  • Lively characters and animals

    Try
    Hailuo
    Why
    Energy and expression
  • Your product or photo moving

    Try
    Wan
    Why
    Starts from your picture, keeps it right
  • Smooth, cinematic moves

    Try
    Kling
    Why
    Natural motion and weight

Seedance is quick and built for 9:16, so it's ideal for testing hooks. For anyone speaking, use Veo. For a full comparison see the best AI video generator.

Briefs to copy

Try this · Hook: something unfinished
Vertical 9:16: extreme close-up of a hand slowly pulling a glossy chocolate cake out of a mould, the shiny surface catching the light, a drip of ganache about to fall. Warm kitchen light, shallow depth of field, slow motion. Real textures.
Make this in VODOO →
Try this · Talking head: a quick tip
Vertical 9:16: a man in his twenties with round glasses and a green hoodie sits in a cosy bedroom studio with warm lamps and says to camera, quickly and excited: "Stop doing this with your plants. Here's why." Slight handheld, natural room sound.
Make this in VODOO →
Try this · Payoff: the reveal
Vertical 9:16: a tidy before-and-after of a small balcony, the camera slowly pushing in as the cluttered space turns into a green corner with hanging plants, fairy lights and a small wooden chair. Golden hour light, smooth motion, real detail.
Make this in VODOO →

Ideas that suit AI Shorts

  • Satisfying close-ups

    What it looks like
    Slow, tactile shots: pouring, slicing, unboxing, folding
  • Before and after

    What it looks like
    A room, a garden or a look transformed in a few seconds
  • One quick tip

    What it looks like
    A presenter gives a single useful tip, then shows it
  • What if

    What it looks like
    An everyday thing shown somewhere it shouldn't be
  • Mini stories

    What it looks like
    Three shots with a beginning, a twist and an ending

Pick one or two formats and stick with them for a few weeks. Viewers subscribe to what they expect to see again.

Keep the channel consistent

  • Pick one look: the same light, colours and camera style in every Short.
  • If a person or character appears, describe them the same way every time.
  • Use the same voice for narration. An AI voice generator keeps it steady.
  • Save your best briefs and change only the subject from Short to Short.

Running more than one platform? The same clips work on TikTok and Reels; see our guides to AI TikTok ads and AI Instagram Reels.

Make your first Short

  1. 01
    Write three hooksOpen Create and make three different first shots for the same idea.
  2. 02
    Keep the strongestPick the hook you'd stop scrolling for and build two or three shots after it.
  3. 03
    Post and learnPost it, check how much of it people watch, and use that to choose next week's hooks.

Start in Create with 300 free credits a month, no card needed.

Questions people ask

Can I make YouTube Shorts with AI?
Yes. You can make every shot with AI, add a voice, and post it as a Short. YouTube asks you to label realistic AI content that could be mistaken for real events or people.
How long should a YouTube Short be?
Long enough to pay off the hook and no longer. Many strong Shorts are between 15 and 30 seconds.
Can I make faceless Shorts with AI?
Yes. Use AI clips for the pictures and an AI voice for narration, so you never need to appear on camera.

Try every brief here on your own idea.

300 free credits a month, every engine open, no card.

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AI YouTube Shorts: make Shorts people finish · VODOO AI