About the gema tag
gema is a character tag that NovelAI Diffusion can use. On Danbooru it has 329 posts, and its best-rated still image scores 96. 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 gema
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 gema in a prompt
Put the subject first, then this tag, then quality tags.
gema, solo, best quality, masterpiecewlop, gema, 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 floating yellow ball with an upside-down face in Di Gi Charat. Ends all of his sentences with "-gema."
Gema became associated with Love Live! Sunshine!!'s Tsushima Yoshiko when Yoshiko won an election to become the image girl of the Numazu Gamers store, and a resulting picture in Dengeki G's magazine depicted Gema as one of her "little demons" (post #2786245).
FAQ
Does NovelAI recognize gema?
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 gema.
How do I write gema in a prompt?
Write "gema" 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.