Black Forest Labs
Black Forest Labs Flux Pro
black_forest_labs_flux_proFLUX 1.1 Pro — highest quality photorealistic image generation
Pricing
Per call
$0.08
Model
flat
Pay only for what you use. No subscriptions.
Inputs
aspect_ratio
stringimage_prompt
stringseed
integeroutput_format
stringsafety_tolerance
integerprompt_upsampling
booleanwidth
integerprompt *
stringoutput_quality
integerheight
integerTry It
API
MCP Config
Input Parameters
Aspect ratio for the generated image
Image to use with Flux Redux. This is used together with the text prompt to guide the generation towards the composition of the image_prompt. Must be jpeg, png, gif, or webp.
Random seed. Set for reproducible generation
Format of the output images.
Safety tolerance, 1 is most strict and 6 is most permissive
Width of the generated image in text-to-image mode. Only used when aspect_ratio=custom. Must be a multiple of 32 (if it's not, it will be rounded to nearest multiple of 32). Note: Ignored in img2img and inpainting modes.
Text prompt for image generation
Quality when saving the output images, from 0 to 100. 100 is best quality, 0 is lowest quality. Not relevant for .png outputs
Height of the generated image in text-to-image mode. Only used when aspect_ratio=custom. Must be a multiple of 32 (if it's not, it will be rounded to nearest multiple of 32). Note: Ignored in img2img and inpainting modes.