Flux 1.1 Pro Ultra

Flux 1.1 Pro Ultra delivers exceptional detail and industry-leading prompt adherence, perfect for when every pixel matters.

Overview

What It's Best For

• Maximum detail — Pixel-perfect quality
• Precise prompt following — Exactly what you describe
• Hero images — Key visuals that need to be perfect
• Print materials — High-resolution output
• Professional photography — Photorealistic results

Inputs

Prompt (Required)

Describe the image you want to generate in detail.

Connection Color: 🟡 Yellow

Image Prompt (Optional)

Single reference image to guide generation.

Connection Color: 🟢 Green

Configuration

Aspect Ratio

Type: Select
Default: 3:2

Image Prompt Strength

Type: Slider
Range: 0 - 1
Default: 0.1

How strongly the reference image influences output:

• 0 — Minimal influence (mostly prompt-driven)
• 0.5 — Balanced
• 1 — Strong influence (closely follows reference)

Output Format

Type: Select
Default: jpg

• png — Lossless, best quality
• jpg — Smaller files

Safety Tolerance

Type: Slider
Range: 1 - 6
Default: 2

Content filtering level.

Raw Mode

Type: Toggle
Default: Off

Disable automatic prompt enhancement for more literal interpretation.

Output

Type: Image
Connection Color: 🟢 Green

Use Cases

Hero Image

Stunning landscape photograph of Norwegian fjords at golden hour, 
dramatic clouds, mirror-like water reflections, professional 
nature photography, 8K quality.

Product Hero

Luxury perfume bottle on black marble surface, dramatic rim 
lighting, crystal clear glass, gold accents, high-end 
advertising photography.

Portrait Photography

Professional headshot, soft studio lighting, shallow depth 
of field, neutral background, corporate executive style, 
natural skin tones.

Architectural Photography

Modern minimalist house exterior, golden hour lighting, 
clean lines, infinity pool reflection, architectural 
digest quality.

Tips for Best Results

1. Be extremely detailed — This model rewards specificity
2. Use low image prompt strength — Start at 0.1, increase if needed
3. Try Raw Mode — For literal prompt interpretation
4. Choose PNG for finals — Maximum quality output
5. Specify photography terms — Lighting, lens, composition

Raw Mode Explained

Raw Mode Off (default):

• Model enhances your prompt automatically
• Often produces more creative results
• Good for general use

Raw Mode On:

• Literal interpretation of your prompt
• More control over exact output
• Better for precise requirements

Comparison with Flux 2 Pro

Choose Ultra when: Maximum detail and prompt adherence matter most
Choose Pro when: You need multiple reference images

Related Models

• Flux 2 Pro — More references, similar quality
• Flux Kontext Max — 3D transformations
• Nano Banana Pro — Better text rendering