ComfyUI: Extending AI video clips in LTX 2.3

Demo summary
The creator demonstrates the video extension feature within his workflow to break a complex 10-second shot into smaller, more manageable segments for the LTX model.
Step-by-step
- Open the LTX native video extension workflow
- Input the video frames from the previous generation
- Run the workflow to extend the clip
Options
- Use first frame/last frame workflows to guide the generation to a specific destination
Tips
- Use video frames as keyframe input to remind the model what characters and scenes look like
- Break complex long shots into smaller, more manageable segments for the model
All demos from “AI Filmmaking Part 1 | Video gen with LTX 2.3: You're doing it wrong.”
1:420:59Seed hunting with a multi-stage LTX 2.3 workflowThe creator demonstrates his custom ComfyUI workflow that generates four low-resolution LTX 2.3 samples simultaneously to find a 'golden seed' before upscaling to 1080p.ComfyUI· AI Animation Generator
4:251:21Iterative rerolling at specific generation stagesThe video shows how to use the 'reroll' button at specific stages of the workflow to change motion or visual quality without re-generating the initial seed samples.ComfyUI· AI Image Generator
6:160:37Extending AI video clips in LTX 2.3CurrentThe creator demonstrates the video extension feature within his workflow to break a complex 10-second shot into smaller, more manageable segments for the LTX model.ComfyUI· AI Video Outpainting- Watch “AI Filmmaking Part 1 | Video gen with LTX 2.3: You're doing it wrong.” →
AI Video Outpainting
6:160:37Extending AI video clips in LTX 2.3CurrentThe creator demonstrates the video extension feature within his workflow to break a complex 10-second shot into smaller, more manageable segments for the LTX model.Fox•Fur•Essence Films
ComfyUI