Flux Image Generation
API that can handle
your scale

Flux is a state-of-the-art image model by Black Forest Labs.
At fal you will find the fastest and most reliable Flux APIs for high-fidelity, accurate image generation.

Documentation Try it now

Why choose fal as your Flux API Provider?#

Fast
fal provides the fastest and most reliable Flux APIs for high-fidelity, accurate image generation.
Cheap
Being fast and reliable doesn't mean expensive. fal provides the affordable API for you to use with no hidden costs.
Reliable
fal ensures your images will be generated, no matter the load.
Scalable
fal provides scalable APIs that allow you to generate thousands of images per second.
Easy to use
fal provides easy-to-use APIs that allow you to generate images with just a few lines of code, with first-class support for Python, JavaScript, Swift and more.

Fast. Cheap. Reliable.
Choose 3.

Flux models#

Flux is offered in a variety of different endpoints, each with its own unique capabilities and use cases.

FLUX.1 [dev] with Controlnets and LorasFLUX General Image-to-Image is a versatile endpoint that transforms existing images with support for LoRA, ControlNet, and IP-Adapter extensions, enabling precise control over style transfer, modifications, and artistic variations through multiple guidance methods.

FLUX.1 [dev]FLUX.1 [dev] is a 12 billion parameter flow transformer that generates high-quality images from text. It is suitable for personal and commercial use.

image-to-image

FLUX.1 Kontext [max]Experimental version of FLUX.1 Kontext [max] with multi image handling capabilities

image-to-image

FLUX.1 [schnell] ReduxFLUX.1 [schnell] Redux is a high-performance endpoint for the FLUX.1 [schnell] model that enables rapid transformation of existing images, delivering high-quality style transfers and image modifications with the core FLUX capabilities.

image-to-image

FLUX.1 [dev] ReduxFLUX.1 [dev] Redux is a high-performance endpoint for the FLUX.1 [dev] model that enables rapid transformation of existing images, delivering high-quality style transfers and image modifications with the core FLUX capabilities.

image-to-image

Juggernaut Flux LoraJuggernaut Base Flux LoRA Inpainting by RunDiffusion is a drop-in replacement for Flux [Dev] inpainting that delivers sharper details, richer colors, and enhanced realism to all your LoRAs and LyCORIS with full compatibility.

image-to-image

Juggernaut Flux BaseJuggernaut Base Flux by RunDiffusion is a drop-in replacement for Flux [Dev] that delivers sharper details, richer colors, and enhanced realism, while instantly boosting LoRAs and LyCORIS with full compatibility.

image-to-image

image generation

image-to-image

FLUX.1 [dev] Fill with LoRAsFLUX.1 [dev] Fill is a high-performance endpoint for the FLUX.1 [pro] model that enables rapid transformation of existing images, delivering high-quality style transfers and image modifications with the core FLUX capabilities.

image-to-image

editing

lora

FLUX.1 [dev] Depth with LoRAsGenerate high-quality images from depth maps using Flux.1 [dev] depth estimation model. The model produces accurate depth representations for scene understanding and 3D visualization.

FLUX.1 [dev] Canny with LoRAsUtilize Flux.1 [dev] Controlnet to generate high-quality images with precise control over composition, style, and structure through advanced edge detection and guidance mechanisms.

FLUX.1 [pro] Canny Fine-tunedUtilize Flux.1 [pro] Controlnet with a fine-tuned LoRA to generate high-quality images with precise control over composition, style, and structure through advanced edge detection and guidance mechanisms.

FLUX.1 [dev] Control LoRA DepthFLUX Control LoRA Depth is a high-performance endpoint that uses a control image using a depth map to transfer structure to the generated image and another initial image to guide color.

image-to-image

lora

style transfer

FLUX.1 [pro] DepthGenerate high-quality images from depth maps using Flux.1 [pro] depth estimation model. The model produces accurate depth representations for scene understanding and 3D visualization.

FLUX.1 [pro] CannyUtilize Flux.1 [pro] Controlnet to generate high-quality images with precise control over composition, style, and structure through advanced edge detection and guidance mechanisms.

FLUX1.1 [pro] ReduxFLUX1.1 [pro] Redux is a high-performance endpoint for the FLUX1.1 [pro] model that enables rapid transformation of existing images, delivering high-quality style transfers and image modifications with the core FLUX capabilities.

image-to-image

style transfer

PuLID FluxAn endpoint for personalized image generation using Flux as per given description.

image-to-image

personalization

style transfer

FLUX.1 [dev] with Controlnets and LorasA general purpose endpoint for the FLUX.1 [dev] model, implementing the RF-Inversion pipeline. This can be used to edit a reference image based on a prompt.

FLUX.1 [dev] with LoRAsFLUX LoRA Image-to-Image is a high-performance endpoint that transforms existing images using FLUX models, leveraging LoRA adaptations to enable rapid and precise image style transfer, modifications, and artistic variations.

image-to-image

lora

style transfer

FLUX1.1 [pro] ultra ReduxFLUX1.1 [pro] ultra Redux is a high-performance endpoint for the FLUX1.1 [pro] model that enables rapid transformation of existing images, delivering high-quality style transfers and image modifications with the core FLUX capabilities.

image-to-image

style transfer

high-res

Articles about Flux#

Training FLUX Style LoRA on fal

FLUX has taken over the image generation space, but getting exactly the style you want can be difficult. This where style LoRAs can help. Training a style LoRA on fal is easy, but there are some tips and tricks for getting the best results.

Oct 14, 2024

Announcing FLUX1.1 [pro] by BFL and FLUX [dev] speed improvements

The FLUX1.1 [pro] model, codenamed "blueberry," was introduced in the Artificial Analysis image arena (https://artificialanalysis.ai/text-to-image/arena) last week. It currently boasts the highest overall Elo score among all image models, while at the same time being one of the fastest.

Oct 3, 2024

Announcing Flux by Black Forest Labs: The Next Leap in Text-to-Image Models

Flux, the largest SOTA open source text-to-image model to date, developed by Black Forest Labs — the original team behind Stable Diffusion is now available on fal. Flux pushes the boundaries of creativity and performance with an impressive 12B parameters, delivering aesthetics reminiscent of Midjourney.

Aug 1, 2024