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FLUX.1 [dev]

Generate text-based images with FLUX.1 [dev], or use Redux for image-led variations.

  • Text to image
  • Image editing
Create with FLUX.1 [dev]
Preview for FLUX.1 [dev]

Catalog preview for FLUX.1 [dev]. Review your own result before publishing.

A starting point.

Describe a scene’s subject, materials and lighting to explore a visual concept.

Before you publish.

Inspect hands, object geometry and exact spelling of any requested text.

Review the quote before running. A failed generation releases its reserved credits. Download the results you want to keep; stored media is retained for 30 days.

How credits work · Use the API · Content guidelines

Settings and model questionsCheck the available settings and guidance when preparing your input.

Inputs and settings

Text mode requires prompt. Begin with one image and adjust guidance_scale and num_inference_steps one at a time.

Redux requires image_url instead of a text prompt. Choose JPEG or PNG output and retain seed and settings when comparing variants.

Inputs, all modes and APIModel IDs, current input limits and the API generation workflow.

Supported inputs

These fields come from the current studio form for flux/dev. Other modes may require different inputs.

Input types, requirements and limits for flux/dev
InputTypeRequirementOptions and limits
promptTextRequired—
accelerationTextOptional—
enable_safety_checkerOn/offOptional—
guidance_scaleNumberOptional≥ 1 · ≤ 20
num_imagesWhole numberOptional≥ 1 · ≤ 4
num_inference_stepsWhole numberOptional≥ 1 · ≤ 50
output_formatTextOptionaljpeg, png
seedWhole numberOptional—

Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.

Other modes and their inputs

Open the operation you need and check its inputs. Settings from one mode do not automatically apply to another.

Image editingflux/dev/redux

Supported inputs

These fields come from the current studio form for flux/dev/redux. Other modes may require different inputs.

Input types, requirements and limits for flux/dev/redux
InputTypeRequirementOptions and limits
image_urlTextRequired—
accelerationTextOptional—
enable_safety_checkerOn/offOptional—
guidance_scaleNumberOptional≥ 1 · ≤ 20
num_imagesWhole numberOptional≥ 1 · ≤ 4
num_inference_stepsWhole numberOptional≥ 1 · ≤ 50
output_formatTextOptionaljpeg, png
seedWhole numberOptional—

Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.

Open this operation in the studio

Use FLUX.1 [dev] through the API.

Start with this model ID for the endpoint featured on this page:

flux/dev

Input requirements belong to this model ID. Check a different mode’s schema separately when switching modes.

Available modes

Check the current model schema for supported inputs and options. Other tasks may use different model IDs.

From quote to result.

Request a credit quote for your input and settings before submitting a generation. A sample output or the price of another model is not a quote for your request.

Follow the generation workflow, then poll the job for its status and result. The API and studio use the same balance.