Long AI video generator: one finished video of minutes, not seconds

Why most AI videos are short

Video models generate a clip in one go, and the length they can hold is limited. Popular models top out between 8 and 30 seconds. Past that, you are left planning shots, generating each one, keeping the characters consistent and editing it all together — which is exactly where most long AI videos fall apart, with faces that change between cuts and a story that wanders.

What a long AI video generator does instead

• Plans the whole story first. Beginning, middle and end are worked out before any animation starts, so the video goes somewhere.
• Keeps the cast consistent. The same characters, the same look and the same voices from the first minute to the last.
• Delivers one file. A single MP4 with sound — no clips to download, order or stitch.
• Works in the background. Long videos take a little longer to make, and you get an email when yours is ready.

Lengths available

For a story told across several videos, the AI series generator makes up to 20 episodes that continue from one another.

How to write a prompt for a long video

A long video needs more than a scene; it needs an arc. Write who the main character is, what they want, what gets in the way and how it ends. You do not need to describe every scene — the story is broken down for you — but the clearer the arc, the better the result.

A small round robot with mismatched eyes lives alone in an abandoned amusement park. When a storm knocks out the park's last working light, he sets off across the park to find a new bulb, meets a stray cat who becomes his friend, gets lost in the hall of mirrors, and finally climbs the Ferris wheel to fix the light just as the sun rises. Warm 2D cartoon, bold outlines, golden light, gentle music and playful sound effects.

Two habits help a lot: give the main character two or three physical traits that never change, and name one visual style for the whole film instead of mixing traditions.

What people make with long AI videos

• YouTube videos of five to twenty minutes, the length the platform recommends for long-form viewing.
• Bedtime stories that last as long as a real story should.
• Training and explainer videos that cover a topic properly instead of in thirty rushed seconds.
• Short films and pilots for a show.

Long AI video generators compared

Model clip lengths are from the providers' published API information, October 2026. More on the models themselves in Seedance vs Kling vs Veo and Sora alternatives.

Make your first long video in the cartoon video creator — choose a length in minutes in the studio and describe the whole story.