About the star sapphire tag
star sapphire is a character tag that NovelAI Diffusion can use. On Danbooru it has 3,256 posts, and its best-rated still image scores 685. 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 star sapphire
Follows composition and expression instructions closely, so the effect shows in a tidy form.
Reacts to the tag more strongly, so its effect is easier to see.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing star sapphire in a prompt
Put the subject first, then this tag, then quality tags.
star sapphire, solo, best quality, masterpiecewlop, star sapphire, soloThe 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
A Touhou character. One of the Three Mischievous Fairies, along with Sunny Milk and Luna Child.
She represents the stars.
Sometimes paired with Houraisan Kaguya, due to similarities in looks.
Not to be confused with the DC Comics character of the same name, Star Sapphire.
Appearance
- : Profile
External links
FAQ
Does NovelAI recognize star sapphire?
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 star sapphire.
How do I write star sapphire in a prompt?
Write "star sapphire" near the front of the prompt and separate it from other tags with commas.
Should I use V5 or V4.5?
V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.