🚀 Turn a starting and ending frame into beautifully fluid video with natural motion and consistent style — powered by LTX 2.3.▶️ Run Directly in Cloud: <a target="_blank" rel="ugc" href="https://www.runcomfy.com/comfyui-workflows/ltx-2-3-first-last-frame-in-comfyui-keyframe-to-smooth-video?utm_source=civitai">https://www.runcomfy.com/comfyui-workflows/ltx-2-3-first-last-frame-in-comfyui-keyframe-to-smooth-video?utm_source=civitai</a><hr /><h3 id="overview">💡 Overview</h3>LTX 2.3 First Last Frame is a ComfyUI workflow that creates seamless video transitions between two keyframe images. Provide a start image, an end image, and a short description of the movement — the workflow builds all in-between frames automatically with fluid motion and cinematic consistency.Perfect for animating storyboard panels, visualizing motion concepts, creating looping content, or producing smooth scene transitions.<h3 id="key-features">✨ Key Features</h3><ul><li>Keyframe-to-Video: Define your start and end frames; the pipeline generates smooth, coherent motion between them.</li><li>Prompt-Guided Motion: An advanced text encoder interprets your scene description for precise, cinematic transitions.</li><li>LTX 2.3 22B Model: State-of-the-art video diffusion transformer for temporally consistent, high-fidelity output.</li><li>Minimal Setup: Just two images and a prompt — fast, efficient, and ready for creative iteration.</li></ul><h3 id="getting-started">🚀 Getting Started</h3><ol><li>Upload your first and last frame images.</li><li>Describe the motion you want between them (e.g., "camera slowly zooms in as petals fall").</li><li>Generate — the workflow interpolates all frames and outputs a polished MP4.</li></ol><hr />Click the "Run Directly" link above to bypass local setup and test this workflow immediately in your browser.

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