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---
license: openrail++
---
These VAEs are modified versions of [madebyollin](https://huggingface.co/madebyollin)'s [sdxl-vae-fp16-fix](https://huggingface.co/madebyollin/sdxl-vae-fp16-fix).
These VAEs should not produce a NaN in VAE error even when used on half precision.
They have been modified using the ideas from [VAE-BlessUp script](https://github.com/sALTaccount/VAE-BlessUp) to produce higher contrast and lower brightness images than the original version.
## The recommended version is [sdxl-vae-fp16fix-blessed.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-blessed.safetensors)
For most SDXL models, you probably should probably just use the non-blessed [sdxl-vae-fp16-fix](https://huggingface.co/madebyollin/sdxl-vae-fp16-fix).
I made these mostly for fun, but found that slightly increasing contrast and decreasing brightness actually improved the outputs on the model I was testing.
You may find one of them to be beneficial for PonyDiffusionV6-XL and other models based on it.
Best - [sdxl-vae-fp16fix-blessed.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-blessed.safetensors) = 1.1 contrast multiplier/0.7 brightness multiplier
Good - [sdxl_vae-fp16fix-c-1.1-b-0.5.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-1.1-b-0.5.safetensors) = 1.1 contrast multiplier/0.5 brightness multiplier
High Contrast - [sdxl_vae-fp16fix-c-1.2-b-0.7.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-1.2-b-0.7.safetensors) = 1.2 contrast multiplier/0.7 brightness multiplier
Very High Contrast - [sdxl_vae-fp16fix-c-1.2-b-0.5.safetensors](https://huggingface.co/nubby/kl-f8-anime2-blessed/blob/main/WD1-4-kl-f8-anime2-bless1-1.safetensors) = 1.2 contrast multiplier/0.5 brightness multiplier
Untested:
[sdxl_vae-fp16fix-c-0.9.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-0.9.safetensors) = 0.9 contrast multiplier
[sdxl_vae-fp16fix-c-0.9-b-0.9.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-0.9-b-0.9.safetensors) = 0.9 contrast multiplier/0.9 brightness multiplier
[sdxl_vae-fp16fix-c-0.8.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-0.8.safetensors) = 0.8 contrast multiplier
[sdxl_vae-fp16fix-c-0.8-b-0.9.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-0.8-b-0.9.safetensors) = 0.8 contrast multiplier/0.9 brightness multiplier
[sdxl_vae-fp16fix-c-0.8-b-0.8.safetensors](https://huggingface.co/nubby/blessed-sdxl-vae-fp16-fix/blob/main/sdxl_vae-fp16fix-c-0.8-b-0.8.safetensors) = 0.8 contrast multiplier/0.8 brightness multiplier
## Example images (made using AutismMix_confetti):
Thank you Neggles for the script used to make them! |