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os-tan

4,156 Danbooru posts · top score 258 · V4.5

aliases: os
seed 1234Tap an image to enlarge
AI-generated NovelAI V4.5 sample of the "os-tan" tag
V4.5NAI Diffusion Anime V4.5
Promptos-tan, 1girl, solo, best quality, masterpiece, cowboy shot, sfw, fully clothed, looking at viewer

How to prompt os-tan characters in NovelAI

This page lists 16 character tags from os-tan that work in NovelAI, each with a sample image.

Every image uses the same seed and prompt, so the only difference between two cards is how well each character comes through.

Put the character tag first and the series tag right after it. The series tag helps avoid mix-ups between characters with the same name and helps keep the outfit consistent.

Example prompt: 3.1-tan, os-tan, solo

When a character's name collides with another tag, the tag takes the form "name (series abbreviation)". The part in parentheses belongs to the tag, so keep it.

FAVS sorts by favorites on this site, SCORE by the score of the character's top post on Danbooru. Click a tag to copy it.

CharactersCHARACTERS IN OS-TAN · 16
[1/1]
3.1-tan
CHAR0x0000
0
me-tan
CHAR0x0001
0
madobe nanami
CHAR0x0002
0
7-tan
CHAR0x0003
0
inu-t
CHAR0x0004
0
xp-tan
CHAR0x0005
0
aizawa hikaru
CHAR0x0006
0
95-tan
CHAR0x0007
0
homeko
CHAR0x0008
0
2k-tan
CHAR0x0009
0
98-tan
CHAR0x000A
0
98se-tan
CHAR0x000B
0
nt-tan
CHAR0x000C
0
vista-tan
CHAR0x000D
0
vistake
CHAR0x000E
0
homeo
CHAR0x000F
0

About the os-tan tag

os-tan is a series tag that NovelAI Diffusion can use. On Danbooru it has 4,156 posts, and its best-rated still image scores 258. 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 os-tan

V5

Follows composition and expression instructions closely, so the effect shows in a tidy form.

V4.5

Reacts to the tag more strongly, so its effect is easier to see.

ILLUST

WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.

Writing os-tan in a prompt

Put the subject first, then this tag, then quality tags.

Basicos-tan, solo, best quality, masterpiece
With artistwlop, os-tan, solo

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.

FAQ

Does NovelAI recognize os-tan?

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 os-tan.

How do I write os-tan in a prompt?

Write "os-tan" 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.