What is Flux
Flux (FLUX.1 / FLUX.2) is a text-to-image generation model developed by German company Black Forest Labs (BFL). BFL was founded in 2024 by Robin Rombach and other former Stability AI employees.
Key Feature: Offers both open source and proprietary models, with flexible options from self-hosted infrastructure to API usage.
FLUX.2 (Released November 2025)
Model Lineup
- FLUX.2 Pro: Commercial API, highest quality
- FLUX.2 Flex: For flexible use cases
- FLUX.2 Dev: For developers
- FLUX.2 Klein: Open source version with Apache 2.0 license
Major Improvements
- Multi-Reference: Maintain character, layout, and style consistency from up to 10 reference images
- High Resolution: Generation and editing at 4 megapixel resolution
- Text Rendering: Improved typography accuracy
- Prompt Understanding: More accurate instruction interpretation
Main Features
FLUX.1 Tools
- Flux.1 Fill: Inpainting and outpainting
- Flux.1 Depth: Depth map-based control
- Flux.1 Canny: Edge detection-based control
- Flux.1 Redux: Mixing existing images with prompts
Pricing
API Pricing (Pay-as-you-go)
| Model | Price |
|---|---|
| FLUX.2 Pro | $0.03/megapixel |
| Flux 1.1 Pro | $0.04/image |
| Flux 1.0 Pro | $0.05/image |
Example: 1024x1024 (1MP) image generation = $0.030
Licensing
Commercial licenses based on monthly usage are also available. API automatically tracks usage.
Partnerships
Major Partnerships (2025)
- Meta: $140 million multi-year partnership ($35 million first year)
- Adobe: Flux.1 Kontext Pro available in Photoshop (beta) Generative Fill
- NVIDIA: Adopted as foundation model for Blackwell architecture
Access Methods
1. API Usage
Scalable access for production workloads via BFL API
2. Self-Hosted
Run open-weight models on your own infrastructure, with fine-tuning available
3. Third-Party
Available on various platforms including Replicate, Hugging Face
Official Links
Summary
Flux is a high-quality AI image generation model developed by Stable Diffusion developers as their next-generation model. FLUX.2 brings major improvements including multi-reference support and better text rendering. With options ranging from open source (Klein) to commercial API (Pro), and partnerships with Meta, Adobe, and NVIDIA, it’s increasing its industry presence.
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