What is Flux 1.1 Pro Ultra?
Flux 1.1 Pro Ultra is the premium tier of Black Forest Labs' Flux model family. Designed for professionals who need the highest possible quality, it offers 4 megapixel resolution and a unique "raw mode" that pushes photorealism to new heights.
Key Features
4 Megapixel Resolution
While standard Flux 1.1 Pro generates images at 1024Γ1024, Flux 1.1 Pro Ultra can produce images up to 2048Γ2048 pixels natively. This means:
- 4x more pixels than standard models
- Print-ready resolution for large formats
- More detail in complex scenes
- Better quality when zooming into specific areas
Raw Photorealism Mode
The exclusive "raw mode" in Flux 1.1 Pro Ultra is specifically designed for photorealistic outputs. It produces images with:
- Natural film grain and texture
- Realistic depth of field effects
- Authentic lighting characteristics
- Minimal AI artifacts
Enhanced Detail Rendering
With its higher resolution capabilities, Flux 1.1 Pro Ultra excels at:
- Fine textures (fabric, skin pores, wood grain)
- Small text and intricate patterns
- Detailed backgrounds
- Complex multi-subject compositions
Technical Specifications
| Specification | Value |
|---|---|
| Maximum Resolution | 2048Γ2048 px (4MP) |
| Architecture | Rectified Flow Transformer |
| Generation Time | ~10-15 seconds |
| Supported Modes | Text-to-Image |
| Special Features | Raw Mode |
| Developer | Black Forest Labs |
When to Use Flux 1.1 Pro Ultra
Print Production
If you're creating images for print, the 4MP resolution is essential:
- Posters and large format prints
- Magazine covers and editorial spreads
- Product packaging
- Exhibition materials
Stock Photography Replacement
The raw photorealism mode makes Flux 1.1 Pro Ultra perfect for:
- Creating unique stock-photo-quality images
- Product photography alternatives
- Lifestyle imagery for websites
- Editorial content
High-End Marketing
Premium brands benefit from:
- Hero images for campaigns
- Billboard and outdoor advertising
- Luxury product visualization
- Brand photography alternatives
Raw Mode Deep Dive
The raw mode in Flux 1.1 Pro Ultra deserves special attention. When enabled, it:
Mimics Real Photography
Images look like they were captured with a high-end camera rather than AI-generated. This includes:
- Subtle lens characteristics
- Natural color grading
- Authentic bokeh in out-of-focus areas
- Realistic noise patterns
Reduces AI Artifacts
Raw mode specifically targets and reduces common AI image issues:
- Overly smooth skin ("plastic" look)
- Unnatural symmetry
- Repetitive patterns
- Inconsistent lighting
Prompt Optimization for Ultra
Leverage the Resolution
Since you're paying for higher resolution, make the most of it:
"Extreme close-up macro photograph of a monarch butterfly wing, showing individual scales and color patterns, professional nature photography, shallow depth of field, morning dew droplets, 8K detail"
Use Raw Mode Keywords
To maximize the raw photorealism:
- "shot on film"
- "35mm photograph"
- "raw unprocessed"
- "natural lighting"
- "candid photography"
Specify Camera Details
Flux 1.1 Pro Ultra responds well to camera specifications:
- "shot on Canon EOS R5"
- "85mm f/1.4 lens"
- "medium format film"
- "Hasselblad quality"
Flux 1.1 Pro vs Ultra Comparison
| Feature | Flux 1.1 Pro | Flux 1.1 Pro Ultra |
|---|---|---|
| Max Resolution | 1024Γ1024 | 2048Γ2048 |
| Raw Mode | No | Yes |
| Generation Time | ~5-8 sec | ~10-15 sec |
| Credits | 2 | 3 |
| Best For | General use | Print & premium |
Using Flux 1.1 Pro Ultra on Pixelift
To access Flux 1.1 Pro Ultra on Pixelift:
- Open the AI Image Generator
- Click on the model selector
- Navigate to the "Quality" category
- Select "Flux 1.1 Pro Ultra"
- Enter your prompt (consider using raw mode keywords)
- Generate your high-resolution image
Each generation costs 3 credits - a premium over standard Flux 1.1 Pro, but justified by the significantly higher quality output.
Is Ultra Worth the Extra Credits?
Consider Flux 1.1 Pro Ultra if you:
- Need print-quality resolution
- Require maximum photorealism
- Are creating hero images or key visuals
- Want to minimize post-processing
- Work in premium brand contexts
For everyday use, web graphics, or rapid iteration, standard Flux 1.1 Pro remains the better choice. But when quality is paramount, Ultra delivers.