Black Forest Labs Releases FLUX.1 Krea [dev] Open Source Version with ComfyUI Native Support
07/31/2025
Black Forest Labs Releases FLUX.1 Krea [dev] Open Source Version with ComfyUI Native Support
Black Forest Labs and Krea collaboration officially releases the FLUX.1 Krea [dev] model! This is a brand new text-to-image generation model that focuses on unique aesthetic styles and natural details, avoiding common “AI look” issues. The model is open-sourced under the flux-1-dev-non-commercial-license and is currently the best open-source FLUX model.
ComfyUI has now implemented native support for FLUX.1 Krea [dev] on Day 1! You can now directly experience the text-to-image generation technology brought by FLUX.1 Krea [dev] in ComfyUI. The model adopts a fully compatible architecture design with FLUX.1 [dev], providing exceptional realism and image quality.
I have completed the official native version tutorial in ComfyUI’s official documentation, which includes complete workflow setup and model installation guides.
FLUX.1 Krea [dev] Model Features
- Unique Aesthetic Style: Focuses on generating images with unique aesthetics, avoiding common “AI look” appearance
- Natural Details: Does not produce blown-out highlights, maintaining natural detail representation
- Exceptional Realism: Provides outstanding realism and image quality
- Fully Compatible Architecture: Fully compatible architecture design with FLUX.1 [dev]
- Best Open Source Model: Currently the best open-source FLUX model, specifically designed for text-to-image generation
FLUX.1 Krea [dev] Technical Advantages
Unique Aesthetic Design Philosophy The FLUX.1 Krea [dev] model focuses on generating images with unique aesthetics, avoiding common “AI look” issues found in traditional AI-generated images. The model pays special attention to natural detail representation during training, avoiding blown-out highlights and maintaining natural detail performance.
Exceptional Image Quality Compared to other FLUX models, FLUX.1 Krea [dev] has achieved significant improvements in image quality. The model provides outstanding realism and image quality, capable of generating more natural and realistic image content.
Fully Compatible Architecture Design FLUX.1 Krea [dev] adopts a fully compatible architecture design with FLUX.1 [dev], ensuring seamless integration with the existing FLUX ecosystem. Users can directly use the new model based on existing FLUX workflows.
Model Version and Download
Official Model Version
- FLUX.1 Krea [dev]: Main model file https://huggingface.co/black-forest-labs/FLUX.1-Krea-dev
ComfyUI Support for FLUX.1 Krea [dev]
ComfyUI, as a leading AI image generation workflow platform, has implemented complete native support for FLUX.1 Krea [dev]. Users can directly use various features of FLUX.1 Krea [dev] in ComfyUI, including:
- Text-to-Image Generation: Generate high-quality images through simple text descriptions
- Unique Aesthetic Style: Generate image content with unique aesthetics
- Natural Detail Performance: Avoid blown-out highlights, maintain natural details
- High-Quality Output: Provide exceptional realism and image quality
ComfyUI’s node-based workflow design makes the use of FLUX.1 Krea [dev] more flexible and efficient, allowing users to easily combine different parameters and settings to achieve optimal generation results.
Model License and Usage
The FLUX.1 Krea [dev] model is released under the flux-1-dev-non-commercial-license, and users need to comply with the corresponding usage terms.
Related Links
- FLUX.1 Krea [dev] ComfyUI Official Documentation
- ComfyUI Official GitHub
- Black Forest Labs FLUX.1 Krea [dev]