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A character that comes back wrong in some shots usually needs better reference photos rather than a better prompt. Finetune is where you change the photos a character is built from, rebuild it, and test the rebuild against the same score the rest of the app uses. Open it from Finetune in the sidebar, from a character tile, or from the Finetune this character link that appears under any take that scored below 70.

What the page shows

Pick a character from the switcher at the top. Everything below it applies to that character. Each reference card carries the score for the part of the character it covers, and the weakest card is flagged with a note telling you which photo to add. If the face averages lowest, the Face card says so.
Characters built before Omnichar recorded which photo filled which slot show one References card instead of two. Rebuilding one records the split, and the two cards appear from then on.

Change the references and rebuild

1

Add or remove photos

Use the + on a card to add a photo, or the x on a thumbnail to drop one. A character needs at least one reference picture to build.
2

Rebuild

The header switches to Unsaved changes as soon as anything differs from the saved character. Press Rebuild to apply it. A rebuild is priced the same way a build is, by the time it takes, which recently came to 2-3 credits.
3

Test it

New takes use the new references from the moment the rebuild lands. The Test card below is the quickest way to see the difference.
Discard puts the cards back to the character as it stands. Nothing is applied until you rebuild, so you can try a set of photos and walk away from it.

Test the character

The Test card runs a real generation against the references currently saved.
  • Pick one of the four suggested shots, or type your own.
  • Choose image or video, the renderer, an aspect ratio, a resolution, and 1 or 3 takes.
  • The price shows before you run. Three takes are three runs, each priced and scored on its own.
  • Double-click a result to open it full size. Click outside it or press Escape to close.
Every test lands in a single session named Finetune, so testing does not leave a new session behind every time. If you close the tab while a test is rendering, the placeholders are still there when you come back.

Reading the score history

Recent scores charts the last 20 takes this character was cast in, oldest on the left. The dashed line marks 70, where a score counts as strong, and the lowest bar is capped in white. Switch between Overall, Face, Subject and Wardrobe to find which signal is dragging the average down, then add photos to the card that covers it. See Continuity scoring for what each number measures.

Next steps

Continuity scoring

What the score measures, and where it is blind.

The .char file

What a character holds and which models take one.