LtxvApiImageToVideo - ComfyUI Built-in Node Documentation

The LTXV Image To Video node generates a professional-quality video from a single starting image.

The LTXV Image To Video node generates a professional-quality video from a single starting image. It uses an external API to create a video sequence based on your text prompt, allowing you to customize the duration, resolution, and frame rate.

Inputs

Parameter	Description	Data Type	Required	Range
image	First frame to be used for the video.	IMAGE	Yes	-
model	The AI model to use for video generation. The “Pro” model is optimized for quality, while the “Fast” model is optimized for speed.	COMBO	Yes	"LTX-2 (Pro)" "LTX-2 (Fast)"
prompt	A text description that guides the content and motion of the generated video (default: empty).	STRING	Yes	-
duration	The length of the video in seconds (default: 8).	COMBO	Yes	6 8 10 12 14 16 18 20
resolution	The output resolution of the generated video.	COMBO	Yes	"1920x1080" "2560x1440" "3840x2160"
fps	The frames per second for the video (default: 25).	COMBO	Yes	25 50
generate_audio	When true, the generated video will include AI-generated audio matching the scene (default: False).	BOOLEAN	No	-

Important Constraints:

• The image input must contain exactly one image.
• The prompt must be between 1 and 10,000 characters long.
• If you select a duration longer than 10 seconds, you must use the “LTX-2 (Fast)” model, a “1920x1080” resolution, and 25 FPS. This combination is required for longer videos.

Note: This node is marked as deprecated.

Outputs

Output Name	Description	Data Type
video	The generated video file.	VIDEO

This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! Edit on GitHub

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