(Has been merged with a few NSFW models, but they are extremely diluted by now. This model is mainly SFW, with scifi+quality as my goals and primary criteria.)
I've been merging models ad nauseam ever since SD1.5 first came out, and after all of this time spent lurking CivitAI, I can't help but feel like I should give something back - so, consider this to be my (perhaps sole? idk) contribution.
I was testing this one out tonight and, it ... felt ..... worthy.
This is the latest in a long line of merges where I have been trying to blend my own personal all-purpose model (on my own hard drive, this "v1" was originally saved as "v8.9.20r"). The main goal is sci-fi, but it's good at everything I've tested it with.
Long prompts, short prompts - give it a shot. It's not quite as photorealistic as I would like it to be (it leans a bit toward anime/artistic), but hey, sometimes you gotta make some sacrifices for overall quality/diversity; if it struggles with perfect realism, I'll settle for artistic. (One of its ancestor versions was literally focused on being 50/50, capable of doing artistic or realism to an equal degree, and it's doable! but difficult to sustain.)
My nagging superstition is that there's two main tricks to merging: adding a boatload of concepts, and then stabilizing them (merging, checking results to avoid excessive distortion, merging with previous versions that were more stable, rinse, repeat). I think of it almost like breeding plants for some particular desirable characteristic.
Long story short, I basically knead these models together like dough until the results please me. It isn't scientific, but it works.
It has become such an extensive "chaos-merge" that I've mainly lost track of its contents, so I think it's probably fair to say that this model contains "at least a little bit of everything," especially accounting for other people's merges being thrown into my mix. But I can say that "SDXL Unstable Diffusers ☛ YamerMIX" and "NewRealityXL" are two of the most recent additions, and they definitely shook things up a bit.
There are no LORAs merged into this model (or at least, I didn't put them there), as I simply haven't figured that part of the process out yet. Please send help.
I don't really have any specifically "suggested settings," since I haven't found anything that it does particularly poorly with, except maybe Heun. But, my typical settings are:
Some base resolution that equals a total of 1024x1024 (896x1152 etc)
Sampler: I just found out about "DPM++ 3M SDE Karras" (as opposed to "2M") today, and the results are fantastic. I don't change the Sampler very often.
Hi-Res Fix: upscale by 1.4 to 2.0
in settings, enable 'Save images Before Hi-Res Fix' because sometimes the smaller version is legit better, or img2img-worthy (same for all models)
aDetailer (auto1111 webui extension) can help a lot, but isn't typically necessary
I generally don't bother with LORAs.
SDXL_Black_Sa_May (and the corresponding white one) are pretty handy, though, for shifting the overall color palette to a darker/lighter tone