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Flux Kontext Dev

FLUX.1 Kontext [dev] is a development version of the state-of-the-art image editing model that lets you edit images using text prompts. It makes editing intuitive by understanding the relationship between visuals and language.

$0.038per imageStarting price at the base resolution and quality tier.
$0.38Ten outputs at the base tier. Larger sizes and premium quality tiers cost more.
Pay per useBilled per request from your balance. No subscription, no minimum.
Flux Kontext Dev sample output
Sample output · prompt: “Change the clothing color to red.”

What it does

Flux Kontext Dev, in practice.

FLUX.1 Kontext \[dev\] is a development version of the state-of-the-art image editing model by Black Forest Labs that lets you edit images using text prompts. It makes editing intuitive by understanding the relationship between visuals and language. You can make precise changes to objects, scenes, and layout — all without disrupting the composition.

  • Context-Aware Editing: Intelligent understanding of image semantics for precise modifications that preserve natural aesthetics.
  • Lightning Fast: Optimized neural architecture delivers professional results in seconds for real-time workflows.
  • Precision Control: Granular control over transformations with intuitive parameters and fine-tuning capabilities.
  • SOTA Quality: State-of-the-art results surpassing existing models across all quality benchmarks.
  • Style Transfer: Convert photos to different art styles, like watercolor, oil painting and sketches.
  • Object/Clothing Changes: Modify hairstyles, add accessories, change colors.

Run Flux Kontext Dev

from $0.038/image
Drop an image hereor click to choose a fileFiles stay in your project. Nothing is trained on.
Invite code opens Chat with this model loaded. No code yet? Join the waitlist — we count which models people ask for.

Parameters

What you can set.

ParameterWhat it doesOptions
seedThe same seed and the same prompt given to the same version of the model will output the same image every time.default -1
sizeThe size of the generated image.
imageThe image to generate an image from.
promptThe prompt to generate an image from.default Change the car color to red.
num_imagesThe number of images to generate.default 1
guidance_scaleFlux embedded guidance strength. Higher values make the image follow the prompt more closely. This is not True CFG and does not require a negative prompt. Default 2.5.default 2.5
num_inference_stepsThe number of inference steps to perform.default 28

Sample prompt

The prompt behind the sample.

Change the clothing color to red.
seed: -1num_images: 1guidance_scale: 2.5num_inference_steps: 28enable_base64_output: enable_safety_checker: True

FAQ

Short answers.

How much does Flux Kontext Dev cost?

Pricing starts at $0.038 per image at the base resolution; higher resolutions and longer durations cost more. Usage is billed per request from your balance — no subscription.

Does Flux Kontext Dev run uncensored here?

No. Black Forest Labs applies its own content policy to this model regardless of where it is called from. For a route without an extra platform filter use Uncensored MiniMax H3; this page lists Flux Kontext Dev for everything else it does well.

What does Flux Kontext Dev take as input?

It is a image editing model. FLUX.1 Kontext [dev] is a development version of the state-of-the-art image editing model that lets you edit images using text prompts. It makes editing intuitive by understanding the relationship between visuals and language.

How do I use it?

Enter an invite code to open Chat with the model loaded, or join the waitlist. We open seats in batches and track which models are requested most.

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Run Flux Kontext Dev.

Invite code opens Chat with the model loaded. No code — join the waitlist and we will count the request.

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