KlingFirstLastFrameNode - ComfyUI Built-in Node Documentation

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This node uses the Kling 3.0 model to generate a video. It creates the video based on a text prompt, a specified duration, and two provided images: a starting frame and an ending frame. The node can also generate accompanying audio for the video.

Inputs

Parameter	Data Type	Required	Range	Description
`prompt`	STRING	Yes	N/A	The text description that guides the video generation. Must be between 1 and 2500 characters long.
`duration`	INT	No	3 to 15	The length of the video in seconds (default: 5).
`first_frame`	IMAGE	Yes	N/A	The starting image for the video. Must be at least 300x300 pixels and have an aspect ratio between 1:2.5 and 2.5:1.
`end_frame`	IMAGE	Yes	N/A	The ending image for the video. Must be at least 300x300 pixels and have an aspect ratio between 1:2.5 and 2.5:1.
`generate_audio`	BOOLEAN	No	N/A	Controls whether to generate audio for the video (default: True).
`model`	COMBO	No	`"kling-v3"`	Model and generation settings. Selecting this option reveals a nested `resolution` parameter.
`model.resolution`	COMBO	No	`"1080p"` `"720p"`	The resolution for the generated video. This parameter is only available when the `model` is set to `"kling-v3"`.
`seed`	INT	No	0 to 2147483647	A number used to control whether the node should re-run. The results are non-deterministic regardless of the seed value (default: 0).

Note: The first_frame and end_frame images must meet the specified minimum size and aspect ratio requirements for the node to function correctly.

Outputs

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

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KlingImage2VideoNode - ComfyUI Built-in Node Documentation

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