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2026-06-07 20:43:31 -07:00

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FluxProUltraImageNode

Category: api node/image/BFL

Display Name: Flux 1.1 [pro] Ultra Image

Description

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

Generates images using Flux Pro 1.1 Ultra via API based on prompt and resolution. This node connects to an external service to create images according to your text description and specified dimensions.

Inputs

Parameter Data Type Required Range Description
prompt STRING Yes - Prompt for the image generation (default: empty string)
prompt_upsampling BOOLEAN No - Whether to perform upsampling on the prompt. If active, automatically modifies the prompt for more creative generation, but results are nondeterministic (same seed will not produce exactly the same result). (default: False)
seed INT No 0 to 18446744073709551615 The random seed used for creating the noise. (default: 0)
aspect_ratio STRING No - Aspect ratio of image; must be between 1:4 and 4:1. (default: "16:9")
raw BOOLEAN No - When True, generate less processed, more natural-looking images. (default: False)
image_prompt IMAGE No - Optional reference image to guide generation
image_prompt_strength FLOAT No 0.0 to 1.0 Blend between the prompt and the image prompt. (default: 0.1)

Note: The aspect_ratio parameter must be between 1:4 and 4:1. When image_prompt is provided, image_prompt_strength becomes active and controls how much the reference image influences the final output.

Outputs

Output Name Data Type Description
output_image IMAGE The generated image from Flux Pro 1.1 Ultra

Source: comfy_api_nodes/nodes_bfl.py

Used in 1 template(s)