Image · black-forest-labs/flux-1.1-pro-ultra
Flux 1.1 Pro Ultra — top quality in the FLUX line
The word Ultra here is not decoration: this is the slot you go to when the frame will land in a portfolio, on a billboard, or in a dense layout. On anatomy, materials, and complex light there are noticeably fewer compromises than with the fast samplers — but it also takes longer and costs more.
When Ultra is not overkill
- Campaign hero frames, large formats, print, and out-of-home.
- Complex light, reflections, and “heavy” materials — glass, water, metal.
- A frame people will study up close on a good screen.
Ultra vs fast models and Imagen 4 Ultra
If you are still hunting the idea, running Ultra is wasteful — sweep on Flux Schnell and finish on Ultra. Among flagships the choice is aesthetic: Flux 1.1 Pro Ultra vs Google Imagen 4 Ultra is “FLUX texture” against “Google light”. It is worth keeping both in the brief and comparing on one scene, since different subjects favor one or the other.
When precise long-instruction following and text on a layout matter more, look at GPT Image 2 and Nano Banana Pro alongside.
Input and cost
Input is text; the more carefully you describe light, materials, and optics, the better the model opens up. It does not do video. The credit cost depends on resolution and image count and is shown before you run.
Frequently asked about Flux 1.1 Pro Ultra
Ultra or Imagen 4 Ultra?
Both are flagships of different families. The choice is usually aesthetic: “FLUX texture” vs “Google light”. Compare them on one scene and keep whichever fits the task.
When is Flux Schnell enough instead of Ultra?
While you are sweeping ideas and palettes. As soon as the frame becomes final and large, move to Ultra.
Is it suitable for print?
Yes, that is a core use. For a very large format you can additionally run the result through the Clarity upscaler.
How much does a generation cost?
Charged in credits; the sum depends on resolution and image count and is shown before you run and on the pricing page.