Flux 1.1 Ultra

Frequently asked questions

What is Flux 1.1 Ultra?

Flux 1.1 Ultra introduces cutting-edge high-resolution capabilities to the FLUX family, enabling 4x larger (up to 4MP) images while keeping generation blazing fast—just 10 seconds per sample. Whether you want detail or speed, Flux 1.1 Ultra delivers both.

How does Flux 1.1 Ultra achieve higher resolution without slowing down?

Ultra mode lets you generate images at four times the resolution of standard FLUX 1.1 [pro]. Unlike typical high-res models that slow to a crawl, Flux 1.1 Ultra maintains prompt precision and is over 2.5x faster than other high-res alternatives. You get stunning results, fast.

What is raw mode in Flux 1.1 Ultra?

Raw mode in Flux 1.1 Ultra unlocks photography that feels genuinely candid and natural. Turn it on to reduce 'AI sheen' for more authentic, lifelike images, improved diversity in people, and richer landscape realism—ideal for editorial or creative projects.

What types of images work best with Flux 1.1 Ultra?

Flux 1.1 Ultra excels at creating photorealistic portraits, detailed landscapes, product photography, architectural visualization, character designs, and concept art. It handles complex scenes with fine details like textures, lighting, and intricate patterns particularly well. Use raw mode for natural photography styles, or standard mode for vibrant, polished artwork.

How can I get the best results from Flux 1.1 Ultra?

Be specific and detailed in your prompts. Describe the subject, lighting, style, composition, and mood clearly. For example, instead of 'a cat', try 'a fluffy orange cat sitting on a windowsill, soft morning light, photorealistic style'. The more precise your description, the better the output quality.

Is Flux 1.1 Ultra free to use?

You get free credits when you sign up. Buy credits as needed or subscribe for better rates. Credits don't expire, and failed generations return your credits automatically. See our Pricing page for all model pricing.