About the haga yui tag
haga yui is an artist tag that NovelAI Diffusion can use. On Danbooru it has 346 posts, and its best-rated still image scores 182. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.
How each model draws haga yui
Follows pose and expression instructions closely. Good for clean standing portraits.
Picks up face shape, line and palette more strongly. Good when you want the style to lead.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing haga yui in a prompt
Put the artist tag near the front, then add the subject and quality tags.
haga yui, 1girl, solo, best quality, masterpiecehaga yui, hatsune miku, 1girlhaga yui, shirahane nao, 1girlThe mix example uses shirahane nao, the closest style on this site. The negative prompt and the full settings are on the terms page.
How these samples were made
Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.
From the Danbooru wiki
Artist.
Japanese name: 葉賀 ユイ
Illustrator for the original light novels for Baka to Test to Shoukanjuu.
FAQ
Does NovelAI recognize haga yui?
Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from haga yui.
How do I write haga yui in a prompt?
Write "haga yui" near the front of the prompt and separate it from other tags with commas.
Which artists draw in a similar style to haga yui?
shirahane nao, yoshimizu kagami, momo (higanbana and girl) are the closest on this site, judged from the V4.5 samples.
Should I use V5 or V4.5?
V4.5 gives a stronger haga yui look. V5 gives steadier poses and fewer artifacts.

