Veo3FirstLastFrameNode - ComfyUI Built-in Node Documentation

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The Veo3FirstLastFrameNode uses Google’s Veo 3 model to generate a video. It creates a video based on a text prompt, using a provided first and last frame to guide the start and end of the sequence.

Inputs

Parameter	Data Type	Required	Range	Description
`prompt`	STRING	Yes	N/A	Text description of the video (default: empty string).
`negative_prompt`	STRING	No	N/A	Negative text prompt to guide what to avoid in the video (default: empty string).
`resolution`	COMBO	Yes	`"720p"` `"1080p"`	The resolution of the output video.
`aspect_ratio`	COMBO	No	`"16:9"` `"9:16"`	Aspect ratio of the output video (default: “16:9”).
`duration`	INT	No	4 to 8	Duration of the output video in seconds (default: 8).
`seed`	INT	No	0 to 4294967295	Seed for video generation (default: 0).
`first_frame`	IMAGE	Yes	N/A	The start frame for the video.
`last_frame`	IMAGE	Yes	N/A	The end frame for the video.
`model`	COMBO	No	`"veo-3.1-generate"` `"veo-3.1-fast-generate"`	The specific Veo 3 model to use for generation (default: “veo-3.1-fast-generate”).
`generate_audio`	BOOLEAN	No	N/A	Generate audio for the video (default: True).

Outputs

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

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