Field noteOct 25, 20261 min read1 source

Comfy-Org repackaged Flux.2 Klein 4B as a single 7.75GB safetensors for ComfyUI, 900K+ downloads.

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Comfy-Org has published Flux-2-Klein-4B on Hugging Face as repackaged model files for ComfyUI.

What changed: The same ComfyUI repackaging now reports 903,540 downloads last month, up from the prior report of more than 800,000.

The repository identifies Black Forest Labs’ FLUX.2-klein-4B and FLUX.2-klein-base-4B as the original model repositories and lists an Apache-2.0 licence.

The model card provides local installation paths: diffusion-model files go under ComfyUI/models/diffusion_models, Qwen 3 4B text encoders under text_encoders, and flux2-vae.safetensors under vae. It also links a FLUX.2 Klein 4B text-to-image workflow. Hugging Face displayed 903,540 downloads in the previous month and 23 Spaces using the repository.

The repository was not deployed by an inference provider at the time reflected in the source. The source does not establish a new underlying model release, a single-file package, its file size, performance characteristics, hardware requirements, or pricing. It documents a ComfyUI-oriented distribution of existing Black Forest Labs model assets.

Evidence / sources

  1. 1huggingface.co/Comfy-Org/Flux-2-Klein-4B
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