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  1. Collection
  2. AI Video Editing
  3. Gen4 Aleph

Recut and Restyle Any Video with Gen 4 Aleph

Gen 4 Aleph is a video editing model that lets you recut, restyle, and rework existing footage by typing a description of what you want. Instead of spending hours in a timeline editor, you upload a clip, write a prompt, and the model applies your changes directly to the video. It handles the hard parts of post-production that usually require skill, software, and time. The model can restyle a video to match a reference image, making it straightforward to apply a specific look or aesthetic across your footage. You also get full control over aspect ratio, choosing from portrait, landscape, square, or widescreen formats depending on where you plan to share the video. With an optional seed value, you can reproduce a specific result or run variations from the same starting point. If you create short-form content, ads, or social videos, Gen 4 Aleph fits naturally into your prep phase. Edit a clip to test different visual directions before committing to a full shoot, or quickly adapt existing footage for a new campaign. The model handles up to five seconds of video per run, making it fast to iterate and easy to combine with other tools in your workflow.

Official

Runwayml

210.8k runs

Gen4 Aleph

2025-08-05

Commercial Use

Table of contents

  • Overview
  • How It Works
  • Frequently Asked Questions
  • Credit Cost
  • Features
  • Use Cases
  • Examples
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Overview

Gen 4 Aleph is a video editing and generation model that takes existing footage and reshapes it based on your instructions. Got a clip that needs a new look, a different setting, or a different visual mood? Feed it the video, write a prompt describing what you want, and it produces a new version. Picasso IA runs Gen 4 Aleph directly in your browser, with no software to install and no API to configure. It fits into any creative workflow where you need to iterate on video quickly, from content repurposing to visual effects work.

How It Works

  • Upload your input video from your device. Files must be under 16 MB, and the model works with the first 5 seconds of the clip.
  • Write a text prompt describing what you want the output to look like. Be specific about the mood, style, setting, or visual change you have in mind.
  • Optionally, attach a reference image to give the model a visual target for style or content direction.
  • Select your preferred aspect ratio from the available options (16:9, 9:16, 4:3, 3:4, 1:1, or 21:9) to match your intended format.
  • Set a seed value if you want to reproduce the same result in later runs, then submit the job and wait for the output.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open Gen 4 Aleph on Picasso IA, adjust the settings you want, and hit generate.

Is it free to try? Yes. You can run Gen 4 Aleph on a free plan. Check the platform's credit details for the exact number of free runs included.

How long does it take to get results? Processing time depends on the complexity of the edit and current server load. Most jobs return a result within 30 to 90 seconds.

What output formats are supported? The model returns a video file you can download and use directly in your editing software, social posts, or client deliverables. No post-processing is required.

Can I customize the output quality or style? Yes. You control the output through your text prompt and the optional reference image. Small changes to the prompt wording can shift the result significantly, so it is worth iterating with different descriptions.

What happens if I'm not happy with the result? Adjust your prompt, swap in a different reference image, or change the aspect ratio, then run the model again. Setting a seed lets you hold the base generation steady while you tweak other inputs to compare outputs directly.

How many times can I run the model? You can run Gen 4 Aleph as many times as you need. Each run draws from your credit balance, so check your Picasso IA account before starting a long iteration session.

Credit Cost

Each generation consumes 18 credits

18 credits

or 90 credits for 5 generations

Features

Everything this model can do for you

Text-driven editing

Describe your target output in plain text and let the model handle the visual changes.

Reference image input

Upload a style image to shape the look and feel of the generated video.

Aspect ratio control

Choose from six formats including 16:9, 9:16, and 21:9 to fit your target platform.

Reproducible results

Set a seed value to recreate the exact same output or run controlled variations.

No timeline editing

Get a reworked video without touching keyframes, layers, or export settings.

Fast iteration

Process up to 5 seconds of footage per run so you can test multiple directions quickly.

Use Cases

Restyle a short video clip to match a specific visual aesthetic by uploading a reference image alongside your text prompt

Change the visual mood of an outdoor scene by describing a different time of day or weather condition in the prompt

Reformat a landscape video into a vertical 9:16 ratio for social media reels without manual cropping

Apply a consistent visual look across multiple clips by reusing the same prompt and seed value for reproducible outputs

Test different visual directions for an ad creative before a full shoot by running prompt variations on a rough clip

Turn raw B-roll footage into a stylized clip by describing the final look you want in plain text

Generate a new product video by describing a different background or setting directly in the text prompt

Examples

16:9
3m 41s

make it anime

16:9
3m 29s

make it winter

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