FLUX Kontext Dev for source-aware image editing
Submit the form to generate an image.
When to use FLUX Kontext Dev
FLUX Kontext Dev is the edit-first option in the FLUX family, suited to practical transformations where the source image should remain the center of gravity.
Why use FLUX Kontext Dev
Image-to-image FLUX editing workflow
FLUX Kontext Dev is built for reference-led image transformation when the edit needs to stay grounded in an uploaded source image.
- Image-to-image only
- Prompt-guided editing
- Source-aware transformation
Match-input composition control
Keep the original framing by matching the input image aspect ratio, or deliberately switch to a new ratio when the target placement changes.
- Match input image
- Fixed ratio options
- Cleaner composition handling
Useful quality and inference settings
Adjust output quality, inference steps, and guidance when you want more control over how strongly the prompt should reshape the source.
- Quality control
- Inference-step tuning
- Guidance adjustment
FLUX Kontext Dev use cases
FLUX Kontext Dev fits teams that need one FLUX page for source-aware image refinement, reframing, and controlled restyling.
Use FLUX Kontext Dev when the goal is to improve or transform an existing image while preserving more structure than a prompt-only workflow would.
Upload a source image and change the aspect ratio when the asset needs to be adapted for social, editorial, or wider visual placements.
Use FLUX Kontext Dev for edits where the input image matters and the prompt should act as directed transformation rather than full regeneration.
How to use FLUX Kontext Dev
Upload the source image, steer the edit, then compare output against nearby edit tiers.
Upload the source image and confirm the edit brief
Start with FLUX Kontext Dev when the job is fundamentally an edit or transformation of an existing image, not a fresh prompt-only generation task.
Set the prompt, ratio, and control settings
Describe the change you want, decide whether to preserve the input framing, and use the available quality or guidance controls before generating.
Generate and compare against sibling edit tiers
Review the transformation, refine the prompt, and compare FLUX Kontext Dev with nearby sibling tiers when you need either more economy or more finish.
What to know before editing
FLUX Kontext Dev works best when the source image already contains the structure you want to preserve. Use the prompt to describe the change, not to rewrite the whole scene from scratch.
If the original composition should remain intact, keep the aspect ratio set to match the input image. Change the ratio only when the target placement truly requires a different frame.
The value is in controlled transformation. Adjust guidance, steps, and quality after you have a solid prompt, rather than changing everything at once.
FLUX Kontext Dev FAQs
Quick answers about mode support, source-image requirements, and editing controls.
FLUX Kontext Dev comparisons and related workflows
Use these links to compare FLUX Kontext Dev with nearby sibling tiers and the shared image workspace.
Compare FLUX Kontext Dev with Flux Kontext Max to choose between the edit-first FLUX Kontext starting point and the premium FLUX Kontext editing tier for highest-end transformations.
Compare FLUX Kontext Dev with Flux Dev to choose between the edit-first FLUX Kontext starting point and the all-purpose FLUX workspace for prompt-led generation and source-guided edits.
Compare FLUX Kontext Dev with Flux Kontext Pro to choose between the edit-first FLUX Kontext starting point and the FLUX Kontext production tier for more deliberate source-guided edits.
Open the shared AI Image Generator to compare image models in one workspace.
Try FLUX Kontext Dev
Open FLUX Kontext Dev when the work is fundamentally an edit, reframing task, or controlled restyle of an existing asset.