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Flux Kontext API
The Flux Kontext API delivers professional-grade image generation with advanced diffusion techniques and enhanced prompt understanding. Generate high-quality images from text or edit existing photos — with Pro and Max tiers for flexibility.
Parameters
Drag and drop a file or click to upload
PNG, JPG, JPEG, WEBP up to 20MB
Output
Generated content will appear here
Flux Kontext API Complete Guide
Learn how to integrate the Flux Kontext API, explore its Pro and Max capabilities, and start generating professional images for your applications.
What is the Flux Kontext API?
The Flux Kontext API is a state-of-the-art image generation model that combines advanced diffusion techniques with enhanced prompt understanding. Built for professional workflows, it delivers exceptional quality images with precise control over style, composition, and details.
The Flux Kontext API supports both text-to-image generation and image-to-image editing. With automatic translation support, prompt upsampling, and flexible aspect ratio options, it provides the reliability and quality needed for professional image generation tasks.
Choose between Pro ($0.03 per image) for faster generation or Max ($0.06 per image) for higher quality. Average generation times are 10–15 seconds, with support for 6 aspect ratios from 21:9 to 9:16.
Why Developers Choose the Flux Kontext API
Key advantages that make the Flux Kontext API stand out for image generation and editing
Professional-grade image quality with advanced diffusion techniques
Two mode variants: Flux Kontext Pro ($0.03/image) and Flux Kontext Max ($0.06/image)
Fast generation times (10-15 seconds average)
Support for multiple aspect ratios (21:9, 16:9, 4:3, 1:1, 3:4, 9:16)
Automatic prompt translation and upsampling
Image editing mode with reference image support
Flexible safety tolerance levels
Custom watermark support
What Can You Build with the Flux Kontext API?
From marketing campaigns to creative tools, the Flux Kontext API powers diverse image workflows
Marketing & Ad Creatives
Create on-brand visuals for campaigns and social ads with the Flux Kontext API. Generate professional imagery without expensive photoshoots.
Product Visualization
Build product mockups and lifestyle shots using the Flux Kontext API image-to-image mode. Place products in any scene with reference photos.
Concept Art & Design
Iterate quickly on creative concepts with the Flux Kontext API. Enhanced prompt understanding delivers visuals that match your vision.
Social Media Content
Produce scroll-stopping images at scale with the Flux Kontext API. Supports diverse styles from photorealistic to artistic.
Image Editing & Enhancement
Edit existing photos using natural language prompts with the Flux Kontext API. Modify outfits, swap elements, or refine details.
Website & App Illustrations
Generate custom illustrations and graphics for web and mobile apps. The Flux Kontext API handles both text-to-image and image-to-image workflows.
Flux Kontext API Technical Specs
Performance, resolution, and output details for the Flux Kontext API
Max Resolution
2K
Processing Time
10-15s
Output Formats
JPEG, PNG
Flux Kontext API Developer Reviews
Feedback from teams using the Flux Kontext API in production
“Incredible quality and speed. The Flux Kontext API has transformed our content creation workflow entirely.”
John Smith
Senior Developer
“The Flux Kontext API is dead simple to integrate and consistently delivers high-quality results. Highly recommended!”
Maria Johnson
Product Manager
“Clear API docs, fast response times, and the output quality from the Flux Kontext API exceeds expectations.”
Alex Lee
Tech Lead
Flux Kontext API Known Limitations
Current constraints to consider when integrating the Flux Kontext API
Supports English prompts natively (auto-translation available for other languages)
Maximum resolution determined by aspect ratio
Processing time varies based on complexity
Some content restrictions based on safety tolerance
Start Building with the Flux Kontext API Today
Try the Flux Kontext API in the playground above, or jump straight into the documentation to integrate it into your project.