Prompt-first, tested on real outputs

AI Scene Generator, Minus the Guesswork

An AI scene generator is only as good as its prompt. Build one that keeps light, mood and layout consistent, then drop it into Midjourney, Flux or Nano Banana Pro.

Open the prompt builder See how it works
Miniature foggy street lit by a desk lamp among storyboard sketches and color swatches
What you get

Scenes that survive a second look

Scene anatomy, spelled out

Location, light, lens, mood and subject as separate blocks. You edit one without breaking the rest, which is how a single prompt becomes ten usable frames.

Light that is not generic

Named light sources, time of day and one honest imperfection. This is the difference between a scene that feels shot and one that feels rendered.

Model-tuned syntax

Midjourney, Flux 1.1 Pro and Nano Banana Pro read prompts differently. We test the same scene on each and keep the wording that holds up.

Aspect ratios that fit

Pick the frame before you write the prompt. Wide for establishing shots, tall for stories, square for grids. The composition follows the ratio.

Ready for motion

Scenes with a clear foreground, midground and background animate far better in image-to-video tools like Kling AI than flat compositions do.

Steal-able prompt cards

Every example is copy-ready, with the output shown next to it. Remix it if you want, but start from something that already works.

How it works

From idea to scene in four moves

No account, no credits to burn. Just a better prompt before you spend a single generation.

  1. 1

    Describe the place

    Start with where the scene happens and when. A rain-soaked alley at 2 a.m. gives the model more to work with than a dark city.

  2. 2

    Set the light and lens

    Name the source, the direction and the focal length. Warm practical lamps, cold window fill, 35mm, shallow depth of field. Keep it short.

  3. 3

    Pick your model

    Paste the block into Midjourney v7, Flux 1.1 Pro or Nano Banana Pro. Run the same prompt on two models and compare the outputs side by side.

  4. 4

    Lock it and repeat

    Keep the scene block fixed and swap only the subject or camera angle. That is how you get a consistent set instead of one lucky frame.

Use case

Concept frames for a client pitch

You have two days and a client who wants to see the mood before they sign. Build one scene block, run it through a few angles, and you get a deck of frames that feel like the same film. The prompt does the art direction, so you spend your time choosing, not fixing.

  • One scene block, many camera angles
  • Wide, medium and close in the same light
  • Fast to iterate when the client changes the weather
Two laptops on a desk both showing a rain-soaked neon alley scene
Use case

Consistency across a whole sequence

The hard part of any AI scene generator is staying the same from frame to frame. We tested one desert scene across six runs and tracked what drifted: the figure's clothing, the sky color, the shadow direction. Locking light and palette in the prompt cut the drift more than any other change.

  • Fix light direction and time of day
  • Reuse the exact same base block
  • Change one variable per run, never three
Six instant prints of the same lone figure in a desert, testing lighting consistency across scenes
Use case

Moodboards that become motion

A good still is half a shot list. Take the frame you like, check that depth reads clearly, then send it to an image-to-video tool for a few seconds of camera movement. Foggy forests, empty streets and layered interiors animate well. Busy, flat compositions usually do not.

  • Check foreground, midground, background
  • Prefer atmosphere: haze, rain, dust
  • Keep the first motion pass to a slow push-in
Hands holding an instant print of a foggy forest scene above a laptop keyboard
Models

Which model for which scene

A qualitative read from our own tests, not a benchmark. Run your own prompt before you commit.

Scene needMidjourney v7Flux 1.1 ProNano Banana ProKling AI
Best atMood and textureFollowing long promptsEditing and repeatingAdding motion to a still
Repeating a sceneStyle referencesSame base promptReference imagesStarts from your frame
Watch out forDrifts on detailsCan look too cleanNeeds clear instructionsFlat frames animate poorly
Good first testMoody street at duskProduct on a studio setSame room, new angleSlow push-in on fog
FAQ

Common questions

What is an AI scene generator?
It is any image or video model that builds a full setting from a text description: location, light, mood, camera angle and subject. Midjourney, Flux and Nano Banana Pro all do this for stills, and Kling AI moves the result. The quality of the scene depends far more on how you write the prompt than on which button you press.
Does Prexi generate the scenes itself?
No. Prexi is a curated prompt library and a set of prompt builders. You build and tune the prompt here, then drop it into the model you already use. That keeps the output yours and the workflow honest about where the pixels come from.
How do I keep the same scene across several shots?
Lock the parts that should not change: location, time of day, light direction and color palette. Reuse the same base block in every prompt and only swap the subject or the camera angle. Some models also accept a reference image or a fixed seed, which helps a lot.
Which model is best for scene generation?
It depends on the job. Midjourney v7 leans toward mood and texture, Flux 1.1 Pro follows long prompts closely, and Nano Banana Pro is strong when you need to edit or repeat a scene. Test the same prompt on two of them before committing.
Can I turn a generated scene into video?
Yes. Image-to-video tools like Kling AI take a still and add camera movement. Start from a frame with a clear foreground, midground and background, because flat compositions tend to animate poorly.
Why do my scenes look obviously AI-generated?
Usually the light is generic. Name a light source, a time of day and one imperfection such as haze, dust or lens flare. Specific light is the fastest fix we have found, and it costs nothing to try.
Is it free to use the prompt builder?
The builders on Prexi are free to open and use. The models you paste the prompt into have their own plans, so check each one for current credits and pricing.
Steal this

Build your first scene prompt

Open the builder, set the light, pick your model. You will have a prompt worth generating in under five minutes.

Open the prompt builder Browse the prompt library
★ steely dan × liminal hotel room × 35mm film ★ brutalist architecture sunset vaporwave ★ 1970s rock album × medium format ★ renaissance cyberpunk samurai ★ macro honey gold leaf ★ tokyo aerial rain cinematic ★ surrealist collage editorial ★ analog grain portrait studio ★ neon botanical illustration ★   ★ steely dan × liminal hotel room × 35mm film ★ brutalist architecture sunset vaporwave ★ 1970s rock album × medium format ★ renaissance cyberpunk samurai ★ macro honey gold leaf ★ tokyo aerial rain cinematic ★ surrealist collage editorial ★ analog grain portrait studio ★ neon botanical illustration ★   
STEAL THIS PROMPT
✦ copy the prompt ✦ remix this ✦ drop into flux ✦ steal this look ✦ open the moodboard ✦ crack it open ✦ send to nano banana ✦ go wild ✦ copy the prompt ✦ remix this ✦ drop into flux ✦ steal this look ✦ open the moodboard ✦ crack it open ✦ send to nano banana ✦ go wild ✦