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Seedream 4.5 — Clearer 2K and 4K Images with Sharper Text

Seedream 4.5, released by ByteDance Seed on December 3, 2025, improves on Seedream 4.0 with clearer visuals, more consistent subjects and sharper text. It debuted at #2 in Image Editing on Artificial Analysis.

  • ByteDance Seedream 4.5
  • Native 2K and 4K
  • Sharper text rendering
  • Up to 4 images per run
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Why Seedream 4.5 Is a Great AI Image Generator

Seedream 4.5 is a strong, affordable choice for high-resolution posters, product images and wallpapers at one flat price.

  • High resolution

    Render at 2K or 4K for print and large screens.

  • Clearer visuals

    Cleaner detail and less noise than Seedream 4.0.

  • Sharper text

    Headlines and labels come out crisper.

  • Flat price

    The same credits at 2K and 4K.

What Seedream 4.5 can do

  • Text to image

    Posters, products and scenes from a prompt.

  • Square 4K

    Detailed 1:1 images for social posts, covers and prints.

  • Consistent subjects

    Stable characters and products across a series.

  • 2K and 4K output

    Choose 2K and 4K, in 1:1 format.

  • Reference inputs

    Besides a text prompt you can add up to 10 reference images.

  • Up to 4 images per run

    Generate 1–4 variations at once and keep the best; each image is billed and refunded on its own.

Use cases

Starting points you can copy into the generator above.

Use caseGood forExample prompt
Album coversSquare, high-detail art.

A square album cover of a lone samurai on a misty bridge at dawn, cinematic lighting, muted colors

Product postersClean, high-res product shots.

A skincare bottle on wet stones with soft morning light and the text "Hydra Calm" on the label, 4K detail

Event postersSharp, readable titles.

A neon-style poster for "Night Market Festival" with lanterns and food stalls, bold title at the top

WallpapersHigh-resolution backgrounds.

A dreamy pastel landscape of floating islands and waterfalls, 4K wallpaper

Seedream 4.5 in 3 steps

  1. 1

    Write a prompt or add references

    Describe subject, style, light and any text in quotes. To edit, upload reference images and say exactly what should change.

  2. 2

    Pick size, aspect ratio and count

    Choose the resolution, aspect ratio and 1–4 images. The credit cost is shown before you submit.

  3. 3

    Generate and keep your results

    Images appear in the generator and are saved to My works. Anything that fails is refunded automatically.

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Frequently asked questions

On this site Seedream 4.5 is available for text-to-image. For reference-based editing use Seedream 5.0 Pro.

Ready for Sharp 4K with Seedream 4.5?

Crisp 2K and 4K images plus reference editing with up to 10 images — a reliable all-rounder.

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  • Up to 4K output
  • Up to 10 reference images
  • Failed outputs refunded