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
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 os-tan in a prompt
Put the subject first, then this tag, then quality tags.
os-tan, solo, best quality, masterpiecewlop, os-tan, 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
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The OS-girls. Visual representations of operating systems usually depicted as girls, though may include boys.
Characters representing other types of software are also included.
Personified OS-tans & Misc related computer-tans
Microsoft Windows
** Chiivistan ** Visbou ** Vistake ** Longhorn-tan
** 7-tan *** 7-tan (SP1) *** 7-tan (Ultimate) *** 7-tan (XP Mode) ** Madobe Nanami
** 8-tan ** 8.1-tan ** Madobe Ai ** Madobe Yuu
** Madobe Tooko
** Homeko ** Homeo ** XP-tan *** Whistler-tan *** XP-kun ** XP MCE-tan ** XPMC
Apple Inc.
** Jaguar-tan ** Lion-tan ** Mavericks-tan ** Mountain Lion-tan ** Puma-tan ** Snow Leopard-tan ** Tiger-tan
Linux
** Lindows ** Ubuntu *** KDE neon *** Kubuntu
- Gentoo
- Jurix
** SUSE
** Fedora (Linux) ** Mandriva
- SLS
** Slackware
Browsers
** Google-tan
** Aizawa Inori ** Silverlight
Misc
** DOS Cat
** 1chip MSX
See also
h4.External links
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.
















