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models/FLUX - Pro 1.1 Ultra

FLUX - Pro 1.1 Ultra

Kate Thompson
|
7/1/2025
|
1:39:57 PM
| Discussion
A majestic wolf stands on a cliff at sunset, featuring a dreamy double exposure effect that reveals a misty forest and glowing sun within its silhouette, enhanced by expressive oil brushstrokes and cinematic lighting.
A delicate Chinese female face with closed eyes surrounded by intricate flowing golden floral designs on a black background.
Young female model posing dynamically in white sweatshirt and bright orange cargo pants with metallic chains, set against a fluorescent green gradient background with neon green organic shapes, featuring a floating white Nike Air Max sneaker with a shadow, and bold white text on the right.
Origami-style mech robots fighting across a surreal floating fractal terrain with intricate paper folds and mechanical details under a bright sky.
Close-up of a white woman wearing round glasses reflecting colorful neon lights and text including 'MUSAIC' and 'Headlights', styled as a detailed retro disco pop album cover.
Close-up portrait of a young woman with light skin, striking light-blue eyes, and wavy light-brown hair, set against a rich golden tapestry background.
3D rendered monumental white interior featuring smooth curved forms, circular skylights, and a silhouetted human figure emphasizing scale in a minimalist design.
Surreal white architectural portal with curved and vertical elements in a dark rocky canyon, reflected symmetrically in calm water below.
Colorful synthwave style portrait of a couple close together with vibrant neon hues and retro disco pop aesthetics.
Corrupted digital portrait of a man named Mr. Negative using photo manipulation with fragmented and abstract grayscale elements accented by selective color saturation.
A faceless woman draped in a white hooded cloak holds a cracked black porcelain mask with a disturbing smile close to her invisible face, set against a stark white void.
Close-up of a faceless woman wearing a dark hood, with cracked porcelain mask-like features and black gloves touching her face.

Recommended Prompts

Cinematic shot, 8k, detailed textures

Recommended Parameters

samplers

Undefined, Euler

steps

30 - 33

cfg

3.5 - 7.5

clip skip

2

resolution

1536x2752

Tips

Check out the Quickstart Guide to Flux for all the info you need to get started!

Use the reference implementation and sampling code available in the official GitHub repository as a starting point for development and creative projects.

Version Highlights

Pro 1.1 Ultra is not available for download and is accessible via API generation only! Download is disabled.

Creator Sponsors

Please check out the Quickstart Guide to Flux for all the info you need to get started!

Please check out the Quickstart Guide to Flux for all the info you need to get started!

FLUX.1 [dev] is a 12 billion parameter rectified flow transformer capable of generating images from text descriptions. For more information, please read our blog post.

Key Features

  1. Cutting-edge output quality, second only to our state-of-the-art model FLUX.1 [pro].

  2. Competitive prompt following, matching the performance of closed source alternatives .

  3. Trained using guidance distillation, making FLUX.1 [dev] more efficient.

  4. Open weights to drive new scientific research, and empower artists to develop innovative workflows.

  5. Generated outputs can be used for personal, scientific, and commercial purposes as described in the flux-1-dev-non-commercial-license.

Usage

We provide a reference implementation of FLUX.1 [dev], as well as sampling code, in a dedicated github repository. Developers and creatives looking to build on top of FLUX.1 [dev] are encouraged to use this as a starting point.

Learn More Here:
https://huggingface.co/black-forest-labs/FLUX.1-dev

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Model Details

Model type

Checkpoint

Base model

Flux.1 D

Model version

Pro 1.1 Ultra

Model hash

61eb3c02b1

Discussion

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Images by FLUX - Pro 1.1 Ultra

A majestic wolf stands on a cliff at sunset, featuring a dreamy double exposure effect that reveals a misty forest and glowing sun within its silhouette, enhanced by expressive oil brushstrokes and cinematic lighting.
A delicate Chinese female face with closed eyes surrounded by intricate flowing golden floral designs on a black background.
Young female model posing dynamically in white sweatshirt and bright orange cargo pants with metallic chains, set against a fluorescent green gradient background with neon green organic shapes, featuring a floating white Nike Air Max sneaker with a shadow, and bold white text on the right.
Origami-style mech robots fighting across a surreal floating fractal terrain with intricate paper folds and mechanical details under a bright sky.
Close-up of a white woman wearing round glasses reflecting colorful neon lights and text including 'MUSAIC' and 'Headlights', styled as a detailed retro disco pop album cover.
Close-up portrait of a young woman with light skin, striking light-blue eyes, and wavy light-brown hair, set against a rich golden tapestry background.
3D rendered monumental white interior featuring smooth curved forms, circular skylights, and a silhouetted human figure emphasizing scale in a minimalist design.
Surreal white architectural portal with curved and vertical elements in a dark rocky canyon, reflected symmetrically in calm water below.
Colorful synthwave style portrait of a couple close together with vibrant neon hues and retro disco pop aesthetics.
Corrupted digital portrait of a man named Mr. Negative using photo manipulation with fragmented and abstract grayscale elements accented by selective color saturation.
A faceless woman draped in a white hooded cloak holds a cracked black porcelain mask with a disturbing smile close to her invisible face, set against a stark white void.
Close-up of a faceless woman wearing a dark hood, with cracked porcelain mask-like features and black gloves touching her face.

base model Images

Photorealistic scene of undead characters including zombies and skeletons walking through a spooky cemetery illuminated by glowing jack-o'-lanterns under a dark, ominous sky.