Black Forest Labs
Black Forest Labs Flux Dev
black_forest_labs_flux_devFLUX Dev — balanced quality and speed for image generation
Pricing
Per call
$0.05
Model
flat
Pay only for what you use. No subscriptions.
Inputs
image
stringaspect_ratio
stringnum_outputs
integerseed
integergo_fast
booleanmegapixels
stringprompt_strength
numberoutput_quality
integerdisable_safety_checker
booleanoutput_format
stringguidance
numberprompt *
stringnum_inference_steps
integerTry It
API
MCP Config
Input Parameters
Input image for image to image mode. The aspect ratio of your output will match this image
Aspect ratio for the generated image
Number of outputs to generate
Random seed. Set for reproducible generation
Approximate number of megapixels for generated image
Prompt strength when using img2img. 1.0 corresponds to full destruction of information in image
Quality when saving the output images, from 0 to 100. 100 is best quality, 0 is lowest quality. Not relevant for .png outputs
Format of the output images
Guidance for generated image
Prompt for generated image
Number of denoising steps. Recommended range is 28-50, and lower number of steps produce lower quality outputs, faster.