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I've been running it through tests on my local machine. The Text-to-Image component is VERY poor. It's not a good sign when the stock ComfyUI Flux3 Klein template with built-in config/prompts produces SD 1.5 levels of half-melted faces and various other body horror.

Flux 2 Klein 9b also had anatomical issues as well, but this one feels practically lobotomized.

https://imgpb.com/wDGGs

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Yes, a prime example of when the performance vs "bias" tradeoff is handled anti-business
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Some examples of the Reddit posts/memes:

https://reddit.com/r/StableDiffusion/comments/1x79gth/why/

https://reddit.com/r/StableDiffusion/comments/1x7ktbu/enshit...

I gave Flux 3 Klein my typical human test that has never failed on newer image models and it did fail; in addition to lower quality, the fingers were definitely not the correct proportions.

Whether the cause is due to more safeguards against NSFW content is hard to confirm technically; it was more an intuition back in the Stable Diffusion XL days but I suspect modern training paradigms are better at correlative inference.

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i think its instructive how the ancient sculptors and artists used to have to draw nudes in order to understand the human body. perhaps our image models need this
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It isn't just the ancient sculptors and artists (unless 20 years ago is ancient :-P), when i went to an art school there were nude drawing lessons there too.
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did you try with https://huggingface.co/black-forest-labs/flux-3-image-klein-... apparently the model is not going to work well unless this type of "prompt upsampler" is added
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I did it in OpenRouter, which hits the direct BFL API.
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Lame. Back to Chroma it is then.
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There's a base version for LoRA training so a porn adapter is likely already being built.
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