AI Video Generator: Create Videos from Text or Images
Use an AI video generator to turn a prompt, still image, or reference clip into a short video, then improve motion, framing, audio, and continuity.
How-to By Pipe2.ai Updated September 9, 2026
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An AI video generator turns a text prompt, still image, or reference clip into a new short video. With Pipe2, open Video Generator, describe one clear shot, choose the frame and length, add purposeful references if needed, and generate an MP4 you can review or continue editing.
Generate an AI video in five steps
- Define one shot. Decide what the viewer sees, what changes, and how the shot ends. A single believable action is easier to control than a whole story packed into one generation.
- Write the motion brief. Describe the subject, action, setting, camera behavior, lighting, visual style, and any important sound.
- Add references only when they solve a problem. Use a start frame for composition, an end frame for a destination, or reference media for identity, movement, timing, or audio direction.
- Choose the output controls. Set aspect ratio, duration, resolution, and audio. Leave the model on Auto when you want Pipe2 to select a compatible option from those inputs.
- Generate and inspect the entire clip. Watch it at normal speed and frame by frame around difficult motion. Regenerate a weak shot before building a longer edit around it.
The pipeline can start from text alone, but it does not require every project to begin from a blank frame. Its input can include a prompt, exact start or end images, loose image references, reference video, or reference audio. Model-specific combinations and limits differ, so check the current controls and credit estimate before running.
Write a prompt as a shot, not a synopsis
A useful video prompt describes visible change over time. Start with the framing, name the subject and action, then say what the camera and environment do. Give the shot a settled end state so the model has somewhere coherent to finish.
For example:
Locked medium-wide shot of a cobalt ceramic teapot on a café counter at blue hour. Steam rises, curls into one loose spiral, then disperses as the camera makes a slow, subtle push forward. Warm light inside, cool rain beyond the window. Audio: quiet rain and a soft ceramic lid rattle.
This brief asks for one scene, one primary motion, a restrained camera move, consistent lighting, and a concise sound bed. “Make an amazing cinematic café video” leaves all of those decisions unresolved. Extra adjectives do not repair an unclear action.
When timing matters, write events in order: beginning, movement, and final hold. Avoid demanding several locations, costume changes, dialogue exchanges, and camera cuts in a few seconds. Divide that idea into separate shots instead.
Choose text-to-video, a start frame, or references
Use text-to-video when the idea matters more than an exact subject or layout. It is the fastest way to explore a scene, camera move, or visual style from scratch.
Use a start frame when composition and identity need a stronger anchor. The image defines what is already visible; the prompt should concentrate on movement, camera behavior, and what remains stable. If you already have the still, the image-to-video guide goes deeper on protecting its subject and edges.
Use an end frame when a supported model needs to arrive at a specific final composition. Keep the transition physically plausible. A direct change between related frames is more reliable than asking the scene to transform into something with completely different geometry.
Use reference images, video, or audio to guide identity, objects, visual direction, camera work, rhythm, speech, music, or sound. State what each reference contributes. References are guidance unless a control explicitly identifies an exact start or end frame.
Set the frame, length, resolution, and audio
Choose the aspect ratio for the destination before generating: 16:9 for landscape, 9:16 for vertical video, 1:1 for square, 4:3 for classic landscape, 3:4 for tall portrait, or 21:9 for ultrawide. A late crop can remove the subject or weaken carefully generated motion.
Duration and resolution are model-aware. Longer clips, uncommon aspect ratios, or certain reference combinations can require a different compatible model. Auto uses the submitted controls to make that choice; pin a model only when its documented capabilities are essential to the job.
Audio also depends on the selected model. When audio is enabled and supported, describe the sound you actually need—room tone, rain, one impact, a short line of dialogue—rather than assuming the visuals will imply it. If the chosen path is silent, add narration or music later when assembling the video.
Review motion and continuity before keeping a clip
Watch the first result for the idea before examining details. Does the action read immediately? Does the clip end cleanly? If the answer is no, simplify the shot rather than adding more instructions.
Then inspect continuity: faces and hands, object count, product shape, contact between objects, reflections, background geometry, and camera direction. Look closely at moments when a subject turns, crosses behind another object, or leaves the frame; those transitions expose many generation errors.
Change one variable per retry. Tighten the action, reduce the camera move, strengthen the start-frame constraint, or remove a conflicting reference. Keeping the useful parts stable makes each iteration informative.
Build a finished video from approved shots
Treat each generation as a shot, not automatically as the finished production. Keep the best takes, put them in story order, and use Video Reel when you need to assemble clips with transitions and optional source audio, narration, or music. The broader guide to making AI videos covers planning, generation, assembly, captions, and branding as one workflow.
If choosing a model is the main problem, compare supported inputs and settings with the AI video generator comparison. For most first attempts, a clear single-shot brief, the correct aspect ratio, and a restrained reference set will improve the result more than chasing the most elaborate settings.
Frequently asked questions
What can I give an AI video generator as input?
A text prompt can create a clip from scratch. Pipe2 Video Generator can also use a start or end frame and reference images, videos, or audio when the selected model supports those inputs.
Can an AI video generator make vertical video?
Yes. Pipe2 Video Generator supports 9:16 for vertical video as well as 16:9, 1:1, 4:3, 3:4, and 21:9. Model compatibility varies, so Auto can choose an option that accepts the requested frame.
Does an AI-generated video include sound?
It depends on the model. Some compatible models return synchronized audio, while others return a silent clip. Use the audio control and describe any important ambience or sound in the prompt.
How do I make a longer AI video?
Generate and approve short shots individually, then assemble them. Pipe2 Video Reel can combine ordered clips with transitions and optional source audio, narration, and background music.