Veo3FirstLastFrameNode - ComfyUI Built-in Node Documentation

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

Inputs

Parameter	Description	Data Type	Required	Range
`prompt`	Text description of the video (default: empty string).	STRING	Yes	N/A
`negative_prompt`	Negative text prompt to guide what to avoid in the video (default: empty string).	STRING	No	N/A
`resolution`	The resolution of the output video.	COMBO	Yes	`"720p"` `"1080p"` `"4k"`
`aspect_ratio`	Aspect ratio of the output video (default: “16:9”).	COMBO	No	`"16:9"` `"9:16"`
`duration`	Duration of the output video in seconds (default: 8, step: 2).	INT	No	4 to 8
`seed`	Seed for video generation (default: 0).	INT	No	0 to 4294967295
`first_frame`	The start frame for the video.	IMAGE	Yes	N/A
`last_frame`	The end frame for the video.	IMAGE	Yes	N/A
`model`	The specific Veo model to use for generation (default: “veo-3.1-generate”).	COMBO	No	`"veo-3.1-generate"` `"veo-3.1-fast-generate"` `"veo-3.1-lite"`
`generate_audio`	Generate audio for the video (default: True).	BOOLEAN	No	N/A

Note: The veo-3.1-lite model does not support 4K resolution. If you select veo-3.1-lite and 4k resolution, an error will occur.

Outputs

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

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​Inputs

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Inputs

Outputs