Flux Kontext API
Professional-grade image generation with enhanced prompt understanding and superior quality output.
| Params | Value |
|---|---|
| Pro | $0.03 |
| Max | $0.06 |
| /image | |
Parameters
Choose between Pro ($0.03) for faster generation or Max ($0.06) for higher quality
Upload an image for editing mode. Leave empty for text-to-image generation. PNG, JPEG, WEBP, JPG (max 20MB)
Drag and drop a file or click to upload
PNG, JPG, JPEG, WEBP up to 20MB
Text prompt describing the desired image or edit. Required for both generation and editing modes.
Output image aspect ratio. Applicable in both text-to-image and image editing modes.
Image output format
Enable prompt enhancement for more detailed and refined results
Automatically translate non-English prompts to English (Flux Kontext only supports English prompts natively)
Content moderation level: 0 (most strict) to 2 (balanced)
Add a custom watermark identifier to the generated image
Output
Generated content will appear here
Everything You Need to Know About
Flux Kontext API
Comprehensive guide to understanding, implementing, and maximizing the potential of the Flux Kontext API for your projects
What is the Flux Kontext API?
The Flux Kontext API is a powerful solution for developers. Flux Kontext 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 model excels in understanding complex prompts and generating images that closely match the intended vision. It supports both text-to-image generation and image-to-image editing, making it versatile for various creative applications. With automatic translation support, prompt upsampling, and flexible aspect ratio options, Flux Kontext provides the reliability and quality needed for professional image generation tasks.
Flux Kontext API Features & Capabilities
Discover what makes the Flux Kontext API the perfect choice for your projects
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
Flux Kontext API Use Cases
See how the Flux Kontext API can transform your workflow
Marketing and advertising materials
Perfect for professional marketing and advertising materials workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Product visualization and mockups
Perfect for professional product visualization and mockups workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Concept art and creative design
Perfect for professional concept art and creative design workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Social media content creation
Perfect for professional social media content creation workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Image editing and enhancement
Perfect for professional image editing and enhancement workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Website and app illustrations
Perfect for professional website and app illustrations workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Flux Kontext API Technical Specifications
Detailed technical information and API capabilities
Max Resolution
Up to
Processing Time
10-15s
Output Formats
What Developers Say About the Flux Kontext API
Real feedback from developers using the Flux Kontext API
“Incredible quality and speed. The Flux Kontext API has transformed our content creation workflow.”
John Smith
Senior Developer
“The Flux Kontext API is easy to integrate and consistently delivers high-quality results. Highly recommended!”
Maria Johnson
Product Manager
“The API documentation is clear and the model performance exceeds expectations.”
Alex Lee
Tech Lead
Important Considerations
Understanding the limitations helps you make informed decisions
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
Ready to Get Started with the Flux Kontext API?
Join thousands of developers who are already using the Flux Kontext API to create amazing applications. Start with our playground or dive straight into the Flux Kontext API documentation.