Flux.1-Dev Hyper NF4 + Flux.1-Dev BNB NF4 + Flux.1-Schnell BNB NF4: Flux.1-Dev BNB NF4 v2: flux1DevHyperNF4Flux1DevBNB_flux1DevBNBNF4V2.safetensors

V2 is 0.5 GB larger than the previous version, since the chunk 64 norm is now stored in full precision float32, making it much more precise than the previous version. Also, since V2 does not have second compression stage, it now has less computation overhead for on-the-fly decompression, making the inference a bit faster!

Flux.1-Dev Hyper NF4:
Source: https://huggingface.co/ZhenyaYang/flux_1_dev_hyper_8steps_nf4/tree/main from ZhenyaYang converted Hyper-SD to NF4 (8 steps)

Flux.1-Dev BNB NF4 (v1 & v2):
Source: https://huggingface.co/lllyasviel/flux1-dev-bnb-nf4/tree/main from lllyasviel

Flux.1-Schnell BNB NF4:
Source: https://huggingface.co/silveroxides/flux1-nf4-weights/tree/main from silveroxides

ComfyUI: https://github.com/comfyanonymous/ComfyUI_bitsandbytes_NF4
Forge: https://github.com/lllyasviel/stable-diffusion-webui-forge/discussions/981

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