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Welcome to BFL Documentation!
Black Forest Labs builds state-of-the-art generative AI models
Our FLUX models deliver exceptional prompt following, visual quality, and creative control - from generating stunning images to advanced editing capabilities. Models Overview
FLUX.1 Kontext
Advanced editing + generation
Our most versatile model combining text-to-image generation with powerful editing capabilities. Change objects, colors, add text, and more with natural language prompts.
Our most versatile model combining text-to-image generation with powerful editing capabilities. Change objects, colors, add text, and more with natural language prompts.
FLUX1.1 [pro] Ultra
Ultra-high resolution
Generate up to 4MP images with Raw mode for authentic photography aesthetics. Perfect for high-resolution creative work.
Generate up to 4MP images with Raw mode for authentic photography aesthetics. Perfect for high-resolution creative work.
FLUX1.1 [pro]
Fast & reliable standard
The proven baseline for text-to-image generation. State-of-the-art speed with consistent, stunning results.
The proven baseline for text-to-image generation. State-of-the-art speed with consistent, stunning results.
FLUX.1 Fill
Targeted image editing
Fast text-driven inpainting and outpainting. Edit specific areas seamlessly or expand images beyond their original boundaries.
Fast text-driven inpainting and outpainting. Edit specific areas seamlessly or expand images beyond their original boundaries.
Our latest model, FLUX.1 Kontext, combines text-to-image generation with advanced image editing capabilities. Test it in our playground or read our editing guide to get the most out of it.
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Try the Playground
Test our different models instantly in your browser without writing code
Generate & Edit Images with our API
Transform text prompts into stunning images using our FLUX models
Prompting Guide
Learn how to get the best results from FLUX.1 Kontext with our prompting guide
Fine-tune Models
Fine-tune FLUX Pro and FLUX Ultra on your specific style, objects, or concepts
Host your own FLUX Models
Deploy FLUX.1 [dev], FLUX.1 Tools [dev], and FLUX.1 Kontext [dev] on your own infrastructure with transparent commercial licensing. Full control, no API limits.