FLUX.1

FLUX.1

Verified
4.4
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Updated September 16, 2026

AI-driven tool for exceptional, high-quality image generation.

Key Takeaways

What it is
AI-driven tool for exceptional, high-quality image generation.
Pricing
$0.04 per image · $0.08 per image · $0.06 per image · $0.05 per image
Best for
  • State-of-the-Art Performance
  • Open-Weight Model
  • High-Speed Processing
Rating
4.4/5

What is FLUX.1?

FLUX.1 revolutionizes the world of AI-driven image generation, offering unparalleled visual quality and prompt adherence. Designed for both creative professionals and AI enthusiasts, it simplifies the process of producing high-quality, detailed images through advanced AI algorithms. Whether you are an artist, designer, or developer, FLUX.1 provides a robust platform for bringing your creative visions to life with remarkable precision and diversity.

FLUX.1 stands out with its state-of-the-art image generation capabilities, offering unparalleled visual quality and prompt adherence. Its ability to cater to both non-commercial and commercial applications through different variants sets it apart, providing flexibility and scalability for various user needs.

FLUX.1 excels in providing high-quality image generation, making it an essential tool for creative professionals and AI enthusiasts. Its state-of-the-art performance, combined with versatile application and robust support, offers an unmatched advantage in the realm of AI-driven design and image creation.

Who is Using FLUX.1?

Graphic Designers

Utilizing FLUX.1 for efficient design workflows and high-quality image generation.

Digital Artists

Leveraging the tool to create detailed and visually stunning artwork.

Game Developers

Employing FLUX.1 for creating intricate game assets and environments.

Marketing Professionals

Using the tool to enhance visual content for campaigns and promotions.

Uncommon Use Cases

Adopted by educational institutions for teaching AI-driven design courses; utilized by hobbyists for personal creative projects.

Key Features

State-of-the-Art Performance: FLUX.1 [pro] delivers top-of-the-line image generation with exceptional prompt following, visual quality, and output diversity.
Open-Weight Model: FLUX.1 [dev] offers similar quality and prompt adherence capabilities as the pro version but is more efficient and available for non-commercial use.
High-Speed Processing: FLUX.1 [schnell] is optimized for local development and personal use, providing fast and efficient image generation.
API Access: Seamlessly integrate FLUX.1 into your applications via an API, available through partners like Replicate and fal.ai.

Rating Breakdown

4.4/ 5.0
accuracy
4.8
ease of use
4.2
features
4.7
speed
4.5
support
4.3
value
4.1

Pricing Plans

FLUX.1 Kontext [pro]

$0.04 per image

  • 4 credits per image
  • Create and edit images with text and images

FLUX.1 Kontext [max]

$0.08 per image

  • 8 credits per image
  • Create and edit images with text and images
  • Maximum quality

FLUX1.1 [pro]

$0.04 per image

  • 4 credits per image
  • Fast, reliable text-to-image generation
  • Strong prompt adherence

FLUX1.1 [pro] Ultra

$0.06 per image

  • 6 credits per image
  • Ultra-high-resolution image creation
  • More pixels in every picture

FLUX1.1 [pro] Raw

$0.06 per image

  • 6 credits per image
  • High-quality image generation
  • Genuine candid-photography feel

FLUX.1 Fill [pro]

$0.05 per image

  • 5 credits per image
  • Targeted text-driven image inpainting

Which FLUX.1 plan should you pick?

Start with FLUX.1 Kontext [pro] for general image generation and editing, then upgrade to higher-priced models when you need maximum quality or specialized output.

FLUX.1 Kontext [pro]

Good for production image generation and editing at $0.04 per image.

FLUX.1 Kontext [max]

Good for maximum-quality image creation and editing at $0.08 per image.

FLUX1.1 [pro]

Good for reliable standard text-to-image generation at $0.04 per image.

FLUX1.1 [pro] Ultra

Good for ultra-high-resolution image creation at $0.06 per image.

FLUX.1 Fill [pro]

Good for targeted inpainting and outpainting at $0.05 per image.

FLUX.1 Use Cases

Text-to-image generation

Describe a scene, subject, style, composition, or visual treatment using a natural-language prompt.

Outcome: A generated image matching the prompt.

Context-aware image editing

Upload an image and describe changes such as object modifications, background changes, or text replacement.

Outcome: An edited image that preserves requested context and composition.

Inpainting and outpainting

Use FLUX.1 Fill to edit targeted image areas or expand an image beyond its original boundaries.

Outcome: Seamless localized edits or extended canvas areas.

Style transformation

Use reference images and prompts to transfer visual styles while maintaining subjects or composition.

Outcome: A generated or edited image with the requested visual style.

Typography and text editing

Create images containing text or directly replace text appearing inside an existing image.

Outcome: Visual assets with controlled or revised text.

Workflow Ideas with FLUX.1

Generate and refine an image

  1. 1Write a natural-language text prompt
  2. 2Generate an image with a FLUX model
  3. 3Refine the prompt and generate another version

Edit an existing image

  1. 1Upload an input image
  2. 2Describe the desired edit in a text prompt
  3. 3Retrieve the edited image from the generation result

Integrate FLUX into an application

  1. 1Create an account and add credits
  2. 2Create a project-scoped API key
  3. 3Submit an asynchronous generation request and poll the returned URL

How FLUX.1 fits into your stack

Replicate Integration

Easily use FLUX.1 within the Replicate platform for enhanced functionality and ease of use.

fal.ai Support

Seamlessly integrate FLUX.1 with fal.ai for streamlined workflows and efficient image generation.

Hugging Face Availability

Access FLUX.1 models and weights directly on Hugging Face for both [dev] and [schnell] variants.

API Access

Developers can harness FLUX.1's API for custom integrations and scalable solutions.

Pros

  • +Exceptional Visual Quality: Produces highly detailed and visually appealing images.
  • +Versatile Usage: Suitable for a wide range of applications, from professional design to personal projects.
  • +Scalable Solutions: Offers dedicated and customized enterprise solutions for larger-scale needs.
  • +Community and Support: Access to a growing community and comprehensive support through GitHub and other platforms.

Cons

  • −Initial Learning Curve: Requires some time to get familiar with the advanced features and settings.
  • −Commercial Use Restrictions: FLUX.1 [dev] is limited to non-commercial applications, necessitating a transition to [pro] for commercial purposes.

Limitations & when to consider alternatives

Known limitations

  • FLUX.1 is a previous-generation family. Black Forest Labs recommends FLUX.2 for new image-generation and editing projects.
  • API requests are rate-limited. The documented API limit is 24 active tasks, with FLUX Kontext [max] limited to 6 active tasks.
  • Generated result URLs expire. Signed result URLs are valid for 10 minutes and should be downloaded before expiration.
  • Some open-weight variants are non-commercial. FLUX.1 Kontext [dev] is available for local development under a non-commercial license unless separately licensed.
  • Finetuning functionality is being discontinued. Black Forest Labs states that its Finetuning API and related endpoints are deprecated with no migration path.

Look elsewhere when

  • You need a native mobile application.
  • You need document or spreadsheet processing.
  • You need code-generation features.

How to Use FLUX.1

  1. 1

    Detailed documentation on the API and community support are available on GitHub.

Who is FLUX.1 For?

Creative platforms

FLUX provides image generation and editing capabilities suitable for products that need scalable creative image creation.

E-commerce teams

The models support product variations, thumbnails, product photography, catalog imagery, and image editing.

Editorial and fashion teams

FLUX supports mood boards, style exploration, campaign imagery, and text-heavy visual layouts.

Movie-making teams

The documented use cases include storyboarding, concept exploration, cinematic pre-visualization, and movie banners.

Frequently Asked Questions

What is FLUX.1?

FLUX.1 is a family of Black Forest Labs image-generation and image-editing models, including FLUX.1 Kontext, FLUX1.1 [pro], and FLUX.1 Fill.

Can FLUX.1 generate images from text?

Yes. FLUX.1 models generate images from natural-language text prompts, with documented controls for dimensions, aspect ratio, seeds, and output format.

Can FLUX.1 edit existing images?

Yes. FLUX.1 Kontext supports text-driven image editing, including object changes, text replacement, style transformation, and iterative edits.

Does FLUX.1 have an API?

Yes. Black Forest Labs documents REST API endpoints authenticated with an x-key API key, including asynchronous generation and polling.

How is FLUX.1 priced?

The official pricing model uses credits at $0.01 per credit. FLUX.1 Kontext [pro] costs $0.04 per image, FLUX.1 Fill [pro] costs $0.05, and FLUX1.1 [pro] costs $0.04.

Can FLUX models run locally?

Open-weight variants such as FLUX.1 [dev] and FLUX.1 Kontext [dev] can be downloaded and run on user-controlled infrastructure, subject to their licenses.

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