KlingOmniProFirstLastFrameNode - ComfyUI Built-in Node Documentation

Complete documentation for the KlingOmniProFirstLastFrameNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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This node uses the latest Kling AI model to generate a video from a start frame, an optional end frame, or reference images. It can create a single video or a multi-shot storyboard with individual prompts and durations for each segment. The node processes these inputs to produce a video of a specified length and resolution, with optional audio generation.

Inputs

Parameter	Data Type	Required	Range	Description
model_name	COMBO	Yes	"kling-v3-omni" "kling-video-o1"	The specific Kling AI model to use for video generation.
prompt	STRING	Yes	-	A text prompt describing the video content. This can include both positive and negative descriptions. Ignored when storyboards are enabled.
duration	INT	Yes	3 to 15	The desired length of the generated video in seconds (default: 5).
first_frame	IMAGE	Yes	-	The starting image for the video sequence.
end_frame	IMAGE	No	-	An optional end frame for the video. This cannot be used simultaneously with reference_images. Does not work with storyboards.
reference_images	IMAGE	No	-	Up to 6 additional reference images.
resolution	COMBO	No	"4k" "1080p" "720p"	The output resolution for the generated video (default: “1080p”).
storyboards	DYNAMIC_COMBO	No	"disabled" "1 storyboard" "2 storyboards" "3 storyboards" "4 storyboards" "5 storyboards" "6 storyboards"	Generate a series of video segments with individual prompts and durations. Only supported for kling-v3-omni. When enabled, each storyboard requires a prompt and duration input.
generate_audio	BOOLEAN	No	True / False	Generate audio for the video (default: False). Only supported for kling-v3-omni.
seed	INT	No	0 to 2147483647	Seed controls whether the node should re-run; results are non-deterministic regardless of seed (default: 0).

Important Constraints:

• The end_frame input cannot be used at the same time as the reference_images input.
• The end_frame input cannot be used simultaneously with storyboards.
• The kling-video-o1 model does not support durations greater than 10 seconds, audio generation, 4k resolution, or storyboards.
• If you do not provide an end_frame or any reference_images with the kling-video-o1 model, the duration can only be set to 5 or 10 seconds.
• All input images (first_frame, end_frame, and any reference_images) must have a minimum dimension of 300 pixels in both width and height.
• The aspect ratio of all input images must be between 1:2.5 and 2.5:1.
• A maximum of 6 images can be provided via the reference_images input.
• The prompt text must be between 1 and 2500 characters in length (0 characters allowed when storyboards are enabled).
• When storyboards are enabled, the total duration of all storyboard segments must equal the global duration value.
• Each storyboard prompt must be between 1 and 512 characters in length.

Outputs

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

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