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Guide to Prompting and Keyframing I2V and First Frame/Last Frame LTX 2.3 Videos with ComfyUI

This ComfyUI guide focuses on the prompting side of image-to-video and first/last-frame generation in LTX 2.3, explaining how prompt wording interacts with the keyframes you supply. It includes a working node setup for viewers to replicate.

What Dreams Cost · 9 min · Advanced · AIF · AI Filmmaking · 2026

What you take away

Rewrite an I2V prompt to describe the motion between frames, not just the frames themselves.

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