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Black Forest Labs · Image

Flux 2 Klein 4b

Compact 4B Flux diffusion model for fast, high-quality image generation.

Flux 2 Klein 4b is an open-weight image-generation model built by Black Forest Labs. It generates images from a text prompt. It runs entirely on your own hardware through Ollama: no API key and no per-use fees.

Modality
Image
Available on
Ollama
Model ID
ollama:x/flux2-klein:4b
Supported OS
macOS
Minimum machine configuration
macOS image gen (experimental) · 16 GB+ RAM · GPU strongly recommended
Download size · ~5.7 GB
Specs
Pricing
Free, runs on your hardware
About the creator

Black Forest Labs

Black Forest Labs makes the FLUX family of image models — state-of-the-art open-weight image generation.

blackforestlabs.ai
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