Change a picture with words
Flux Kontext Dev
The FLUX.1 Kontext Dev is an open-source, multimodal image editing model developed by Black Forest Labs. It supports simultaneous text and image inputs, enabling precise and context-aware image editing. With 12 billion parameters, it ensures character consistency, style preservation, and minimal visual drift across iterative edits. This makes it ideal for developers, researchers, and advanced users experimenting with image generation and editing workflows.
Opens the image studio with Flux Kontext Dev ready to use. You will need a free account to run it.


What Flux Kontext Dev makes, what it needs and what you get
What it makes
Change a picture with words
Changes a picture from a written instruction.
What you need
- The picture to change
Optional: what to change.
What you get
An edited copy of your picture
About Flux Kontext Dev
Flux Kontext Dev changes a picture from a written instruction. It is made by Black Forest Labs.
To use it, you provide the picture to change. You get an edited copy of your picture.
A run costs 20 to 202 credits, depending on the options you choose. It is included on the Free plan. You run it in the image studio, in your browser.
Best for
Typical uses for this kind of model.
- Changing colours, outfits or backgrounds
- Adding or swapping objects
- Quick touch-ups described in plain words
How to use Flux Kontext Dev
- 1
Add the picture to change
Upload your files, or pick them from your library. Nothing else is needed to start.
- 2
Check the settings
The defaults are a good start. If you change an option, the cost updates and is shown before you generate.
- 3
Generate your picture
An edited copy of your picture. Your result appears in the studio, ready to download.
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