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ByteDance Seed

Image generation model

Seedream 4.5

Seedream 4.5 is the latest in-house image generation model developed by ByteDance.

At a glance

Per image
$0.04
Output / 1M
$9.58
Image Elo
Not available
Editing Elo
Not available
Max prompt
4K
Released
Dec 2025
Text to imageImage editing

Pricing

Seedream 4.5 price per image

What one image costs, the underlying API rates, and what bigger batches add up to.

Cost per imageEstimated, ~1 megapixel (1024×1024)$0.04
Image outputPer 1M image tokens$9.58
Tokens per imageFor one ~1MP image4,175
Prompt textPer 1M input tokensIncluded

Single image

1 image

$0.04

Social media batch

50 images

$2

Product catalog

1,000 images

$40

Specs

Inputs, outputs, and creative controls

What it accepts, what it gives back, and which controls you get.

Accepts
Image, Text
Produces
Image
Max prompt length
4K tokens
Reasoning step
No
Release date
December 23, 2025
  • Image editingAccepts reference or source images
  • Text alongside imagesCan explain or caption what it made
  • Thinks before drawingPlans the image with a reasoning step
  • Reproducible seedsSame seed, same image
  • Temperature controlTrade consistency for variety

FAQ

Frequently asked questions

How much does Seedream 4.5 cost per image?

A standard ~1 megapixel image from Seedream 4.5 costs about $0.04, so 1,000 images come to roughly $40. Larger sizes cost more.

Can Seedream 4.5 edit existing images?

Yes. Seedream 4.5 accepts reference images, so you can upload a photo and ask for changes like a new background, a different style, or added text.

What is the best alternative to Seedream 4.5?

Nano Banana 2 from Google is a strong alternative. It offers: better at image generation, better at graphic design, better at logos.

Can I use Seedream 4.5 alongside other image models?

Yes. Shortcut Chat sends one prompt to Seedream 4.5 and any other image models you pick at the same time, so you can compare results side by side.

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Try Seedream 4.5 next to every other image model.

Use Seedream 4.5 alongside all the other image models. Use one at a time, or multiple together. Get the best image from AI.