Designers needing accurate text in generated images; about $0.04 an image through OpenRouter, though the official price is unpublished.

Kenning's take

What it does

Seedream 4.5 is a scaled-up version of ByteDance's image model that keeps reference details such as faces, lighting and colour when editing. It improves typography, dense text, posters and logo layouts. It is available through BytePlus and third-party APIs.

  • Multi-image editing that keeps reference details
  • Better typography and dense text
  • Poster and logo layouts
  • Up to 14 reference images per edit (per API resellers)

Who it suits. Designers and marketers making and editing images with accurate text.

Key facts

Category
AI models
Made by
ByteDance
Based in
China
Launched
2025
How to get it
through the BytePlus API and playground, and third-party APIs
Works on
API, Web
API price
$0.04 per output image on OpenRouter

FAQ

What is new in Seedream 4.5?

Better editing consistency with reference images and better text and typography.

How much does Seedream 4.5 cost?

OpenRouter lists it at $0.04 per output image.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.