<h3 id="important-notice">Important Notice</h3>Optimized to work with the latest version of ComfyUI (v0.18.1 + Frontend 1.42.8).The latent upscaler ltx-2.3-spatial-upscaler-x2-1.1 has been released. Version 1.0 had an issue where a strange overlay appeared at the end when generating long videos (241F+), but this has been fixed in 1.1. Updating is strongly recommended.<h3 id="overview">Overview</h3>This workflow is based on LTX-2.3 I2V/FLFV and supports multi-frame processing. It allows you to visually specify image ordering and keyframe timing. Special thanks to WhatDreamsCost for providing the powerful custom nodes.<h3 id="core-features">Core Features</h3>Three prompt input modes<ol><li>Prompt enhancement using Ollama</li><li>Native LTX prompt enhancement</li><li>Plain (no enhancement)</li></ol>If Ollama is not needed, you can disconnect it from the Ollama SubGraph node or simply delete the node.1-pass / 2-pass selection<ul><li>1-pass: Generates at the specified resolution (e.g., 1280×768).</li><li>2-pass: Recommended by Comfy / LTX. Generates at half resolution and then performs 2× upscaling.</li></ul><h3 id="optional-features">Optional Features</h3>Preview Switch: Displays a preview during sampling.Audio-driven: Generates a video that matches an existing audio file.Full Mode: Generated using Steps 15 and CFG 3.0. This takes a very long time. While the camera work and motion may be slightly improved, the generation time is not practical.<h3 id="note">Note</h3>If you encounter the error, please update ComfyUI-KJNodes to the latest version.For HD generation in 2-pass mode, please use 1280×768 or 768×1280. If the shorter side is 734, it will be truncated to 704.

LTX-2.3 Multi Key-Frame Video Generation (Distilled GGUF) workflows

v1.1.5 : Change to hybrid generate. (cfg3.0 3step+cfg1.0 5step)v1.1.4 : Fine-grained optimization.

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