Flux Dev
Black Forest Labs' development model. Fast, high-quality image generation with LoRA support.
Examples
See what Flux Dev can generate
Sample output
Landscape
Prompt: "A serene mountain lake at golden hour, with snow-capped peaks reflected perfectly in the still water, pine forests lining the shore, warm amber light casting long shadows across the meadow"
Sample output
Character Design
Prompt: "A cyberpunk street samurai with neon-blue cybernetic arm, wearing a weathered leather jacket, standing in a rain-soaked Tokyo alley with holographic signs reflecting in puddles"
Sample output
Still Life
Prompt: "An elegant flat lay arrangement of artisan coffee beans, a brass hand grinder, a ceramic pour-over dripper, and fresh croissants on a dark walnut table, morning light streaming from the left"
Your generated image will appear here
Pricing
API Integration
Use our OpenAI-compatible API to integrate Flux Dev into your application.
npm install railwailimport railwail from "railwail";
const rw = railwail("YOUR_API_KEY");
const images = await rw.run("flux-dev", "A beautiful sunset over Tokyo");
console.log(images[0].url);
// Or use the image() method for full control
const res = await rw.image("flux-dev", "A cat in space", {
size: "1024x1024",
n: 1,
});
console.log(res.data[0].url);Free credits on sign-up
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Start using Flux Dev today
Get started with free credits. No credit card required. Access Flux Dev and 100+ other models through a single API.