RunwayTextToImageNode - ComfyUI Built-in Node Documentation

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The Runway Text to Image node generates images from text prompts using Runway’s Gen 4 model. You can provide a text description and optionally include a reference image to guide the image generation process. The node handles the API communication and returns the generated image.

Inputs

Parameter	Data Type	Required	Range	Description
`prompt`	STRING	Yes	-	Text prompt for the generation (default: "")
`ratio`	COMBO	Yes	”16:9" "1:1" "21:9" "2:3" "3:2" "4:5" "5:4" "9:16" "9:21”	Aspect ratio for the generated image
`reference_image`	IMAGE	No	-	Optional reference image to guide the generation

Note: The reference image must have dimensions not exceeding 7999x7999 pixels and an aspect ratio between 0.5 and 2.0. When a reference image is provided, it guides the image generation process.

Outputs

Output Name	Data Type	Description
`output`	IMAGE	The generated image based on the text prompt and optional reference image

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Inputs

Outputs