LTX Studio: Bridging clips with AI 'Fill with Video'

LTX Studio Try it →Watch full video →Theoretically Media · Mar 2026

Demo summary

The user demonstrates the 'Fill with Video' feature which uses a Gemini API key to generate a transitional bridge between two existing clips on the timeline.

Step-by-step

Leave a space between two clips on the timeline
Click the Fill with Video option in the gap
Connect your Gemini API key by signing into AI Studio and creating a key
Enter a prompt describing the bridge footage
Wait for the shot to generate

Watch out for

A Gemini API key is required to use this function
The 'generate from first frame/last frame' feature does not appear to be working yet

Tips

Use a specific prompt like 'camcorder footage from a helicopter view' to guide the AI bridge

Highlights

“It's not great but um it does work.”

All demos from “LTX Just dropped a FREE AI Video Editor and it is WILD!”

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Watch “LTX Just dropped a FREE AI Video Editor and it is WILD!” →

AI Video Editor

6:591:41Editing timeline and properties in LTX DesktopThe demonstration covers the non-linear editor interface, including clip trimming, color correction properties, adjustment layers, and auto-letterboxing features.Theoretically Media
8:581:04Non-destructive shot regeneration on the timelineThe user shows how to right-click a clip on the timeline to 'Regenerate Shot' and toggle between different AI-generated versions of the same prompt non-destructively.Theoretically Media
10:361:08Bridging clips with AI 'Fill with Video'CurrentThe user demonstrates the 'Fill with Video' feature which uses a Gemini API key to generate a transitional bridge between two existing clips on the timeline.Theoretically Media
12:330:28Fixing video artifacts with Retake ShotThe demonstration shows using the 'Retake' feature in the Gen Space to fix a specific visual glitch (a character's neck spinning) by regenerating a specific section of the clip.Theoretically Media
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28:152:29Editing video on the LTX Studio timelineThe walkthrough shows the built-in video editor where clips are trimmed, split, and synced to a music track directly within the platform.LTX_io