Flux Pro Ultra banner

Models › Image Generation › Black Forest Labs Flux Pro Ultra

Black Forest LabsFlux Pro Ultra

Flux Pro Ultra is built for precision and visual excellence. It delivers highly detailed, cinematic quality images with strong control over composition.

Start Creating for Free

SAMPLES

Made With Flux Pro Ultra

GOOD FOR

Where it Excels

Photorealistic, Print-ready Output

Ideal for professional photography mockups, product visuals, and large-format assets.

Raw, Natural, Film-like Aesthetics

A unique toggle that reduces AI over-processing, producing images with organic grain, natural color response, and an unmanipulated look.

Portrait & Fine Detail Rendering

Exceptional skin, hair, and material detail at high resolution. Best in class for portrait and fashion photography generation.

Widest Aspect Ratio Range

Supports 9 ratios from 21:9 cinematic to 9:21 ultra-portrait — the broadest aspect ratio coverage in the model lineup.

Prompt Fidelity at Scale

Maintains strong prompt adherence even at 4x resolution — complex scene descriptions are faithfully rendered without degradation.

TRY TO AVOID

Not Ideal For

Character Consistency

No reference image input — the same character or product cannot be reliably preserved across multiple outputs without a separate consistency model.

Text & Typography in Images

Diffusion architecture produces unreliable text rendering.

Image Editing & Iterative Refinement

Text-to-image only, no native instruction-based editing.

High Volume Draft Iteration

It's overkill for rapid concept exploration.

TECHNICAL SPECIFICATIONS

Model Details

Provider

Black Forest Labs

Model Version

Flux Pro Ultra

Max Resolution

2K, HD

Aspect Ratios

21:9, 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16, 9:21

Avg. Gen Time

28 seconds

Style Coverage

Raw Mode

HOW IT COMPARES

Pick The Right Model

Photorealism
Generation Speed
Prompt Adherence
Max Resolution
Style Adherence
Flux Pro Ultra
Exceptional
28s
Very High
2K
Exceptional
Nano Banana 2
Excellent
2.8s
Very High
4K
High
GPT-Image-1.5
Excellent
22s
Exceptional
1K
High
GPT-Image-1
Very Good
12s
Very High
4K
Moderate
DALL·E 3
Good
9s
High
1792×1024
High
Imagen 4
Excellent
11s
Very High
2K
High
Nano Banana Pro
Very Good
8s
High
4K
Moderate
Nano Banana
Moderate
1.8s
Basic
1K
Basic
Flux Pro
Excellent
18s
Very High
2K
Very High
Flux Developer
Very Good
16s
High
HD
Very High
Flux Kontext Max
Excellent
25s
Exceptional
2K
Exceptional
Flux Kontext Pro
Very Good
14s
Very High
2K
Very High
Flux Kontext Fast
Good
4s
High
1K
High
Flux Schnell
Moderate
1.5s
Basic
1K
Moderate
FLUX.2 Pro
Excellent
20s
Very High
2K
Very High
FLUX.2 Klein
Good
3.5s
Moderate
2K
Moderate
Stable Diffusion
Moderate
7s
Basic
1024x1024
High
Ideogram V3 Turbo
Good
4.5s
Very High
1K
Exceptional
Seedream 4
Very Good
10s
High
4K
High
Seedream 4.5
Excellent
10s
Very High
4K
Very High
P-Image
Good
~1s
Moderate
1K
Moderate
Qwen Image 2 Pro
Very Good
9s
High
2K
High
Qwen Image
Good
12s
Moderate
2K
Moderate

Start Creating With
Flux Pro Ultra

Your first 8 images are free. Then 5 more every day. No credit card, no setup, no learning curve.
Just your idea. Craftit Ai and the model doing the work.

Flux Pro Ultra — AI Image Generation | Craftit