FLUX

Black Forest Labs API

Generate stunning images with Black Forest Labs' FLUX models.
Use Puter.js to access FLUX models with a single API.

Get Started View Tutorial

Text-to-Image API

Photorealistic Output

Generate images with unprecedented detail quality that rivals real photography.

Image Reference Support

Use reference images for best-in-class character and product consistency.

Advanced Typography

Reliable text rendering for infographics, memes, and UI mockups with exact color matching.

In-Context Editing

Transform and restyle existing images with Kontext models, plus inpainting and outpainting.

Fast Generation

Sub-10-second generation with optimized models. FLUX.1 Schnell generates in 1-4 steps.

Precision Controls

Accurate object positioning, realistic physics, coherent lighting, and proper perspective.

FLUX Models

Access all Black Forest Labs FLUX models through a single API.

FLUX.2 Pro

Professional-grade image generation with excellent quality and prompt adherence.

black-forest-labs/FLUX.2-pro

FLUX.2 Max

State-of-the-art model delivering highest quality and unmatched realism.

black-forest-labs/FLUX.2-max

FLUX.2 Flex

Customizable generation with control over dimensions, seed, and diffusion steps.

black-forest-labs/FLUX.2-flex

FLUX.2 Dev

Development version for testing and experimentation with FLUX.2 capabilities.

black-forest-labs/FLUX.2-dev

FLUX.1.1 Pro

Enhanced FLUX.1 Pro with improved quality and faster generation times.

black-forest-labs/FLUX.1.1-pro

FLUX.1 Pro

Professional FLUX.1 model with high-quality outputs and good prompt following.

black-forest-labs/FLUX.1-pro

FLUX.1 Schnell

Optimized for speed. Generate images quickly without sacrificing quality.

black-forest-labs/FLUX.1-schnell

FLUX.1 Kontext Pro

In-context image editing. Transform and restyle images with text prompts.

black-forest-labs/FLUX.1-kontext-pro

FLUX.1 Kontext Max

Maximum quality in-context editing for professional image transformations.

black-forest-labs/FLUX.1-kontext-max

FLUX.1 Kontext Dev

Development version of Kontext for testing image editing workflows.

black-forest-labs/FLUX.1-kontext-dev

FLUX.1 Dev

Development model for experimenting with FLUX.1 base capabilities.

black-forest-labs/FLUX.1-dev

FLUX.1 Dev LoRA

LoRA-enabled development model for fine-tuning and custom adaptations.

black-forest-labs/FLUX.1-dev-lora

FLUX.1 Krea Dev

Krea-optimized development model for creative applications.

black-forest-labs/FLUX.1-krea-dev

Generate Images in Seconds

Add FLUX image generation to your app with just a few lines of code.
No API keys, no backend, no configuration required.

<html>
<body>
    <h1>FLUX Image Generation</h1>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.txt2img(
            "A cyberpunk cityscape with neon lights and flying vehicles",
            { model: "black-forest-labs/FLUX.1-schnell" }
        )
        .then(imageElement => {
            document.body.appendChild(imageElement);
        });
    </script>
</body>
</html>

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