providerblack-forest-labs /

FLUX-1-dev

3.15 DZD× (width / 1024) × (height / 1024) × (steps / 25)

FLUX.1-dev is a state-of-the-art 12 billion parameter rectified flow transformer developed by Black Forest Labs. This model excels in text-to-image generation, providing highly accurate and detailed outputs. It is particularly well-regarded for its ability to follow complex prompts and generate anatomically accurate images, especially with challenging details like hands and faces.

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FLUX-1-dev
ArchitectureDense
Context WindowImage

⚡ FLUX.1-dev

FLUX.1-dev is a 12 billion parameter rectified flow transformer developed by Black Forest Labs.
It is designed for high-quality text-to-image generation and offers competitive performance comparable to closed-source models.
The model leverages latent adversarial diffusion distillation, allowing for efficient image generation in just 25 to 50 steps.
It is available under a non-commercial license for personal, scientific, and research purposes.


🔑 Key Features

  • Cutting-Edge Output Quality: Delivers detailed images aligned with complex prompts, on par with proprietary models.
  • Efficient Training: Latent adversarial diffusion distillation enables high-quality image generation in 25–50 steps, optimizing speed and accuracy.
  • Open-Source for Non-Commercial Use: Freely usable for non-commercial purposes by researchers, artists, and developers.
  • Versatile Style Range: Supports a wide range of visual styles, from photorealistic to surreal artistic creations.

⚠️ Limitations

  • Factual Limitations: Not designed to provide factual information; outputs may lack real-world accuracy.
  • Bias Concerns: May amplify societal biases present in training data.
  • Prompt Dependency: Performance depends heavily on prompt clarity and structure; careful crafting may be required.

🚫 Out-of-Scope Use

  • Legal Violations: Cannot be used in ways that violate local, national, or international laws.
  • Harmful Content: Prohibited for harmful purposes such as exploitative content, harassment, or disinformation.
  • Non-Consensual Content: Forbidden to generate non-consensual nudity or illegal pornographic content.
  • Automated Decision-Making: Not allowed for automated decisions that infringe on individuals’ rights.