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> Does SDXL use a different inference tech or something.

Its extremely similar, but not drop-in compatible, no.

Whats more, small changes make it compatible, but larger changes are needed for SDXL to work well.

Personally I find SDXL to be a huge upgrade, at the cost of performance, hence I am using Fooocus but keeping an eye on https://github.com/FizzleDorf/ComfyUI-AIT

As I have been preaching on HN, just don't use A1111 for SDXL.

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Hah, one of your comments weeks ago got me to try Fooocus-MRE after getting nowhere with SDXL on A1111. Absolutely blew away my previous results in so much less time. I was able to illustrate a whole TTRPG session in an hour or two.

Well now Fooocus MRE is obsolete :P. The dev shuttered it, but most of the functionality is now upstreamed into the advanced/debug menus of Fooocus.

And yeah, the difference is dramatic!

>As I have been preaching on HN, just don't use A1111 for SDXL.

Why, what am I missing by doing so?

Better speed or quality in other UIs.

Less jankiness.

For me, personally, better hackability, especially in `diffusers` UIs (though Comfy-based UIs seem to be SOTA for SDXL).

EDIT: Also, other user interfaces are more "suited" to SDXL and its presets+style prompting. A1111 is very much built for SD 1.5

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