# FLUX 3 Image FLUX 3 is Black Forest Labs' image model. You give it a prompt and it generates an image. Give it one or more reference images and it edits them instead. ## What it does - **Text to image.** Describe what you want and get an image back. - **Image editing.** Pass up to 10 reference images and the prompt describes the edit or composition to apply. When you supply reference images, the first one sets the aspect ratio if you leave `aspect_ratio` on `auto`. ## Inputs - `prompt` — what to generate, or the edit to make. - `images` — up to 10 reference images (jpeg, png, gif, or webp). Supplying any image switches the model into edit mode. - `aspect_ratio` — `auto` (default) picks a ratio from the prompt and the first reference image, or choose a fixed ratio from `21:9` down to `9:21`. - `resolution` — output size: `768sq`, `1k` (default), `1.5k`, `2k`, or `4k`. - `grounding` — when on (default), the model researches the prompt with web and image search befor
