black-forest-labs/FLUX-Pro-1.1-ultra ｜API, Fine-Tuning, Deployment

FLUX1.1 Pro Ultra is the high-resolution version of FLUX1.1 Pro, capable of generating images up to 4 megapixels (2K resolution). It improves photo realism and prompt controllability for advanced use cases. The Ultra mode is optimized for composition and precision, while Raw mode prioritizes natural textures and realism—ideal for commercial visual production, art direction, and realistic concept rendering.