Black Forest Labs: FLUX.1 Dev

Generation capabilities

Choose one capability to see its exact parameters, pricing, and Playground.

Each capability has its own model ID.

Text To Image

Black Forest Labs FLUX.1 Dev is the open-weight FLUX model tuned for quality, with fine control over how closely images follow your prompt. Set guidance from 1 to 20 and steps up to 50 for detailed art, illustration and concept work, with optional acceleration, six size presets and up to 4 images per call.

black-forest-labs/flux-dev/text-to-image

Image To Image

Black Forest Labs FLUX.1 Dev reimagines an input image from a text prompt, keeping its composition while changing mood, lighting or details. Set strength from 0.01 to 1 to control how far it drifts, tune guidance and steps, and get up to 4 results per call.

black-forest-labs/flux-dev/image-to-image