AI long video generator
An AI long video generator for explainers
Turn a script, a document or a topic into a narrated, animated video with chapters of up to 30 minutes each. Scenema plans every scene, keeps the same characters from the first shot to the last and animates each one.
200 free credits at signup. No credit card required.
Why most AI video generators stop at a few seconds
A single generation in AI video models such as Kling, Veo and Runway runs 4 to 30 seconds. Veo 3.1 can extend a clip to about 2.5 minutes. A long video needs much more than one clip: a script, a plan of scenes and shots, characters who look the same in every shot, one narration and an edit that ties it together.
Many creators do this by hand. They write the script in a chatbot, make each clip in a video model and join the clips in an editor. Scenema runs the whole pipeline in one place, and the longest video made on Scenema so far runs 21 minutes. Read more about the longest AI video you can make today.
How Scenema makes a long AI video
- 1
Start from a script, a document or a topic
Paste a script, upload a PDF, Word or text file, or describe the topic. Scenema writes the narration for you to review.
- 2
Plan chapters, scenes and shots
Scenema splits the narration into chapters of up to 30 minutes each, then into scenes and shots, and draws a picture for every shot.
- 3
Lock the characters, places and props
Each recurring character, place and prop gets reference images. Every shot that shows them is made from those references.
- 4
Record one narration for the whole video
One voice reads the full script, from more than 500 voices in over 75 languages, so the video sounds the same from start to finish.
- 5
Animate, time and export
Scenema animates every shot, times it to the narration and exports one finished MP4. Fix any single shot without remaking the rest.
Start your long video from a script or a document
Scenema plans the chapters, keeps your characters and narrates every shot.
The same characters from the first minute to the last
The longer the video, the more a changing face or outfit stands out. These four shots come from a 3-minute Scenema training video, and the same three colleagues appear in each one. Watch the full video on the script to video page.
For the techniques behind this, read how to keep characters consistent in AI video.
Ways to make a long AI video compared
Long AI videos come from three kinds of workflow. Each suits a different kind of video.
| Compared | Clips stitched by hand | AI story video tools | Scenema |
|---|---|---|---|
| How it works | Write the script in a chatbot, make clips in a video model, then join them in an editor | Turn an idea into a narrated story video | Turn a script, document or topic into a narrated explainer |
| Length | As long as you can stitch, from clips of a few seconds each | Magiclight up to 50 minutes, LongStories up to 15 minutes | Chapters of up to 30 minutes, several chapters per video |
| Same characters throughout | Only if you manage reference images for every clip yourself | Built in | Built in, with references for characters, places and props |
| What you assemble yourself | Everything: clips, narration, captions and timing | Little | Nothing. You can change any shot. |
| Best for | Creators who want full manual control | Stories and music videos | Explainers, training, lessons and narrated stories |
What people make with a long AI video generator
YouTube explainers
Videos longer than 8 minutes can carry mid-roll ads, and explainer channels often run 10 to 20 minutes.
Why 8-minute videos earn moreTraining modules
A full module with the same presenter characters in every chapter, from onboarding to compliance.
A training module exampleLessons and courses
A lesson that runs as long as the topic needs, split into chapters learners can return to.
AI educational video generatorsFrom an existing script
Already have a long script? Scenema keeps it word for word and animates every line.
Script to videoFAQ
Questions about making long AI videos
Which AI video generator makes the longest videos?+
Scenema makes explainer videos with chapters of up to 30 minutes each, and one video can have several chapters. The longest video made on Scenema so far runs 21 minutes. For comparison, a single generation in most AI video models runs 4 to 30 seconds.
How do I generate a long AI video?+
Start from a script, a document or a topic. A long video generator such as Scenema splits it into scenes and shots, keeps the characters the same in every shot, records the narration and animates each shot into one video.
Can I make a long AI video for free?+
You can try Scenema for free with 200 credits, once, and no credit card. That is enough for a watermarked video of about 30 seconds, from a script of up to 500 characters. Longer videos need a paid plan.
Can AI make a 1-minute or 3-minute video?+
Yes, Scenema makes videos from about 30 seconds long. A 3-minute video, like the training video on our script to video page, is a single short chapter.
Do the characters stay the same across a long video?+
In Scenema they do. Each recurring character, place and prop gets reference images, and every shot that shows them is made from those references.
Can I change one part of a long video?+
Yes, on Scenema you can redraw or reanimate a single shot, or edit one chapter, without remaking the whole video.
Make your first long AI video
Start from a script, a document or a topic. Scenema plans the chapters, keeps your characters and narrates every shot.
200 free credits at signup. No credit card required.