lXlPonyMix model by user lXlBaNNeR. It is found on Civitai. It can seemingly do semi-realism the best, though can do anime reasonably well.

Suggestions:

Pos: score_9, score_8_up, score_7_up, colorful, best quality, masterpiece, 4k, detailed background, detailed face, detailed eyes

Neg: score_6, score_5, score_4, pony, gaping, ugly face, low res, blurry, muscular, censored, furry, 3d, (monochrome:1.1), grayscale, sepia, (worst quality:2), (low quality:2), (normal quality:2), simple background

Alter neg as you wish. I am aware some people enjoy content such as furry stuff and the like.

CFG 7, Euler A works best (Restart works well from my experience,) 30 steps, and face adetailer doesn't seem too needed in my opinion but is encouraged.