Image · Released Jan 2026
Black Forest Labs 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 and GGML: no API key and no per-use fees.
Supported OS
macOSWindowsLinux
Minimum machine configuration
macOS image gen (experimental) · 16 GB+ RAM · GPU strongly recommended
Download size · ~5.7 GB
Specs
- Released
- 8 months ago (Jan 2026)
- 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.
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