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FLUX1.1 [pro] Ultra AI image generator

Ultra high resolution up to 4MP. Make images up to 2K in your browser, and see the credit price before you generate.

Model

New and popular

All models

Ultra high resolution up to 4MP

Settings2K · 1:1
Settings
Resolution
Aspect ratio

Credits come back automatically if a job fails.

Example

Text to image example
Try a prompt like A ceramic coffee cup on a linen table, soft window light, shallow depth of field

What you can do with FLUX1.1 [pro] Ultra

What this model can do here, taken from its live settings. Try any of them in the generator above.

  • Start from a prompt

    Describe the subject, setting and style in plain words. FLUX1.1 [pro] Ultra follows detailed briefs, so name what matters most first.

  • Pick length and resolution

    Output from 2K to 2K. Aspect ratios 1:1, 4:3, 3:4, 16:9, 9:16.

How to use FLUX1.1 [pro] Ultra

  1. 01

    Pick an input

    Start from text to image.

  2. 02

    Describe the result and set options

    Write what you want to see, then choose resolution, aspect ratio. The credit price updates as you go.

  3. 03

    Generate and download

    Most results land in under a minute. Download the file, or tweak the prompt and run it again.

FLUX1.1 [pro] Ultra pricing

Higher resolution and quality cost more. The generator shows the exact price for your settings before anything is charged.

Starting price
15 credits per image
In dollars
≈ $0.15 at the Starter pack rate
Free to try
48 credits on sign up, no card
See credit packs and plans

FLUX1.1 [pro] Ultra compared with similar models

Live specs and starting prices. Click a model to open its page.

FLUX1.1 [pro] Ultra compared with GPT Image 2.5, Nano Banana Pro, Seedream 5.0 Pro
SpecFLUX1.1 [pro] UltraGPT Image 2.5Nano Banana ProSeedream 5.0 Pro
MakerBlack Forest LabsOpenAIGoogleByteDance
Starting price15 credits3 credits6 credits9 credits
InputsTextText · Image editText · Image editText · Image edit
Max input files—161410
Resolution2K1K · 2K · 4K1K · 2K · 4K1K · 2K
Quality—low · medium · high · xhigh · max——
Aspect ratio1:1 · 4:3 · 3:4 · 16:9 · 9:16auto · 1:1 · 3:2 · 2:3 · 4:3 · 3:4 · 5:4 · 4:5 · 16:9 · 9:16 · 2:1 · 1:2 · 3:1 · 1:3 · 21:9 · 9:21auto · 1:1 · 2:3 · 3:2 · 3:4 · 4:3 · 4:5 · 5:4 · 9:16 · 16:9 · 21:91:1 · 4:3 · 3:4 · 16:9 · 9:16 · 2:3 · 3:2 · 21:9

Full FLUX1.1 [pro] Ultra settings

Show

Text

Resolution
2K
Aspect ratio
1:1 · 4:3 · 3:4 · 16:9 · 9:16

FLUX1.1 [pro] Ultra questions

What is FLUX1.1 [pro] Ultra?

FLUX1.1 [pro] Ultra is Black Forest Labs's AI image model: ultra high resolution up to 4MP. On FrameMux you run it in the browser with credits, next to every other model.

Is FLUX1.1 [pro] Ultra free to try?

Yes. New accounts get 48 free credits with no card. FLUX1.1 [pro] Ultra starts at 15 credits per image, so that covers 3 images at the lowest settings.

How much does FLUX1.1 [pro] Ultra cost?

From 15 credits per image at the lowest settings, about $0.15. Higher resolution and quality cost more, and the exact price shows before you generate. Credit packs start at $9.90 for 990 credits.

What inputs does FLUX1.1 [pro] Ultra accept?

Text. JPG, PNG and WebP images up to 10 MB each. The panel only shows the options this model accepts.

Which lengths, resolutions and aspect ratios does FLUX1.1 [pro] Ultra support?

Resolution: 2K. Aspect ratio: 1:1, 4:3, 3:4, 16:9, 9:16. Longer and sharper outputs cost more credits.

Do I need a Black Forest Labs account or API key?

No. You use FLUX1.1 [pro] Ultra in the browser with FrameMux credits. There is no API key to set up and no separate subscription.

Can I use FLUX1.1 [pro] Ultra results commercially?

Paid credit packs and plans include commercial use, within Black Forest Labs's terms for FLUX1.1 [pro] Ultra.

Can I upload photos of real people?

Only photos you have permission to use. Content of real people without consent and adult content are blocked, and blocked prompts never use credits.

Are my FLUX1.1 [pro] Ultra results private?

Yes. Uploads and results are private to your account and are deleted after 30 days, so download what you want to keep.

What happens if a FLUX1.1 [pro] Ultra job fails?

The credits return to your balance automatically, and the error tells you what to change.

How does FLUX1.1 [pro] Ultra compare with GPT Image 2.5?

FLUX1.1 [pro] Ultra starts at 15 credits per image and GPT Image 2.5 at 3. The table above lists inputs, length and resolution side by side. The quickest way to choose is to run the same prompt on both.

Start your first FLUX1.1 [pro] Ultra image

48 free credits, price shown first, credits back if a job fails.

Create with FLUX1.1 [pro] Ultra