Image models from Black Forest Labs with open weights
Generate and edit images through the Black Forest Labs API or run open-weight FLUX models on your own hardware.
Description
FLUX is the family of image generation and editing models made by Black Forest Labs. The models are offered through the company's own API and playground, and several are released as open weights that developers can run themselves. FLUX is used by developers, product teams, and many third-party image tools.
How it works
Developers call the Black Forest Labs API with a prompt, and optionally reference images, and receive the generated image. The lineup includes FLUX.2 in flex, pro, max, and klein variants, plus tools for outpainting, erasing, and virtual try-on. Open-weight models can be downloaded from Hugging Face and GitHub and run on your own infrastructure.
Who it is for
FLUX suits developers building image features into a product and teams that want to host a model themselves. People who only need a ready-made image app usually reach FLUX through another service that is built on it.
Pricing and limits
The API is pay-as-you-go with no subscriptions or seat fees, and you pay only for what you generate. The cost depends on the model and the output resolution, and Black Forest Labs publishes a calculator on its pricing page. Open-weight models have their own license terms.
Key Features
Text to image
Generate images from a prompt with several model variants.
Image editing tools
Outpainting, object erasing, and virtual try-on.
Open weights
Download selected models and run them on your own hardware.
Pay-per-image API
No subscription or seat fees.
Use Cases
Adding image generation to an app
Call the API from a product without training a model.
Self-hosted generation
Run an open-weight model inside your own infrastructure.
Product imagery
Edit and extend product photos programmatically.
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