Flux2ImageNode - ComfyUI Built-in Node Documentation

Overview

Generate images using the Flux.2 [pro] or Flux.2 [max] model from a text prompt and optional reference images. This node sends your request to the BFL API, polls for the result, and returns the generated image as a tensor.

Inputs

Parameter	Description	Data Type	Required	Range
`prompt`	Prompt for the image generation or edit (default: empty string).	STRING	Yes	N/A
`model`	The Flux.2 model version to use. Selecting a model unlocks additional parameters for width, height, and optional reference images.	COMBO	Yes	`"Flux.2 [pro]"` `"Flux.2 [max]"`
`seed`	The random seed used for creating the noise. Can be set to randomize after each generation (default: 0).	INT	Yes	0 to 18446744073709551615

Additional Parameters (unlocked by model selection): When you select a model, the following parameters become available:

Parameter	Description	Data Type	Required	Range
`model.width`	The width of the generated image in pixels.	INT	Yes	256 to 1440
`model.height`	The height of the generated image in pixels.	INT	Yes	256 to 1440
`model.images`	Optional reference images to guide the generation. A maximum of 8 images is supported.	IMAGE	No	0 to 8 images

Constraints:

The maximum number of reference images is 8. If more than 8 images are provided, an error will be raised.
The model.width and model.height values affect the cost of the generation (see price badge logic in source code).

Outputs

Output Name	Description	Data Type
`image`	The generated image as a tensor, downloaded from the BFL API result.	IMAGE

This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! Edit on GitHub

Source fingerprint (SHA-256): ce3ee97d5ccb746892f3bfdb0dd5450d79cb4e0775a88d1f8c09569ce43ecbbb

​Overview

​Inputs

​Outputs

Overview

Inputs

Outputs