What is Flux 2 Klein?
Flux 2 Klein is a lightning-fast image generator from Black Forest Labs. It creates and edits images in under 0.5 seconds, combining text-to-image, inpainting, and multi-reference editing in one compact model. Pick a 4B Apache 2.0 build for open-source commercial use or a 9B high-quality variant for sharper results. Distilled versions prioritize speed for real-time previews, while base variants keep full training signal for fine-tuning. It runs on consumer GPUs and integrates with ComfyUI, Diffusers, and common deployment platforms for easy use.
Key features
- Generate images in under 0.5 seconds for instant creative feedback.
- Unified text-to-image and image editing in a single compact model.
- Support multiple reference images for consistent style and character control.
- Native inpainting and outpainting for seamless edits and canvas expansion.
- Runs on consumer GPUs with quantized builds to reduce VRAM.
- Open-source 4B variant under Apache 2.0 and fine-tuning ready bases.
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