fal.ai: Video-to-Video editing with Kling O1

fal·Dec 2025

Demo summary

The user demonstrates replacing a horse with a unicorn in an existing video while maintaining motion, and shows other edits like changing reflections and time of day.

Step-by-step

Select the Kling Omni video-to-video model
Upload an input video to serve as the base
Upload an image to the 'element' field to serve as a visual reference
Enter a prompt specifying to replace the character or scene with the provided element
Instruct the model to maintain the same movements and camera angles

Options

Change reflections in mirrors to different scenes
Change the time of day (e.g., day to night)
Modify the landscape or background environment

Tips

Use the 'element' input to provide a specific visual reference for the replacement object

Highlights

“it's done incredibly well at changing just that part of the video”

All demos from “Kling O1 Is Here & It's Insane! | fal Academy”

0:091:55Reference-to-Video generation with Kling O1The demo shows how to use Kling O1 on fal to generate a video by combining a text prompt with style images and specific character elements (frontal and reference shots).fal.ai· AI Video Generator
2:040:27Product video generation with Kling O1A demonstration of creating a cinematic product video for a perfume bottle using a frontal reference image and a dolly-in camera prompt.fal.ai· AI Commercial Generator
2:310:44Video-to-Video editing with Kling O1CurrentThe user demonstrates replacing a horse with a unicorn in an existing video while maintaining motion, and shows other edits like changing reflections and time of day.fal.ai· Video to Video
Watch “Kling O1 Is Here & It's Insane! | fal Academy” →

Video to Video

5:280:52AI Video Editing with Image ElementsThe video shows how to edit an existing video by referencing an external image element (Popeye) to replace a character while maintaining the original video's structure.fal
6:290:40Character replacement with reference imagesThe user demonstrates replacing two skydivers in a video with specific characters defined by frontal and reference images using Kling 03 video editing.fal
2:310:44Video-to-Video editing with Kling O1CurrentThe user demonstrates replacing a horse with a unicorn in an existing video while maintaining motion, and shows other edits like changing reflections and time of day.fal