CheaperGen
ByteDanceOverview

Seedream 4.5 AI

ByteDance Seedream 4.5 generates and edits images at 2K or 4K for one price per image, with consistent multi-image editing and legible typography. Released December 2025. Try it online in the Studio or call it from code, up to 23% below the official price.

Developer
ByteDance
Seedream family
Released
December 2025
Sizes
up to 4K
2 sizes
From
$0.0309/image
2K
Create with Seedream 4.5Get API keyAPI docs

Try it

Try Seedream 4.5 AI now

Runs on your balance at the price on the button; failed runs are refunded. Results are saved to your account.

Open the full-screen Studio

What it is

What is Seedream 4.5?

2K or 4K, one price

Seedream 4.5 renders about 4 or 16 megapixels per image, billed the same either way — print-ready detail without a premium tier.

Consistent edits

Edit with natural language or combine several input images into one shot, keeping faces, products and layouts consistent across the edit.

Capabilities

What Seedream 4.5 can do

Up to 4K

≈16 MP outputs

One price

2K and 4K cost the same

Multi-image edit

Combine up to 10 inputs

Text rendering

Legible in-image typography

Examples

Seedream 4.5 examples

Prompts you can load into the Studio and try.

  • Vintage travel poster for Lisbon, bold headline “LISBOA”, tram on a steep street, warm screen-print texture

    Try it

  • Macro shot of a mechanical watch movement, jewel bearings, shallow depth of field

    Try it

Use cases

What people use Seedream 4.5 for

Images from a description
Illustrations, product visuals and concepts, up to 4K.
Editing your images
Change backgrounds, colours or outfits, or combine up to 10 images in one edit.
Any format
8 aspect ratios, from banners to vertical posts.

Versions

Seedream 4.5 in the Seedream family

Every Seedream model we offer, newest first. Seedream AI covers the whole family.

Seedream models
ModelReleasedMax sizeFrom
Seedream 5.0 FlashSeptember 20262K$0.0154/image
Seedream 5.0 ProJuly 20262K$0.0333/image
Seedream 5.0 LiteJune 20262K$0.0317/image
Seedream 4.5December 20254K$0.0309/image

How it compares

Seedream 4.5 vs similar models

Seedream 4.5 vs Seedream 5.0 Lite

Seedream 4.5

  • Higher maximum resolution: 4K vs 2K.

Seedream 5.0 Lite

  • Newer model (released June 28, 2026).
Full comparison

Where to use it

Three ways to use Seedream 4.5

In the Studio

No code: write a prompt, pick the settings, generate. The price is shown before you run.

How to use Seedream 4.5

Through the API

One key and one request shape for every model; poll the generation or get a webhook.

API tutorial

From an AI agent

Our MCP server lets Claude and other agents quote and generate for you.

MCP setup

FAQ

Seedream 4.5 AI questions

ByteDance Seedream 4.5 generates and edits images at 2K or 4K for one price per image, with consistent multi-image editing and legible typography. It was released in December 2025.

ByteDance. Seedream 4.5 is part of ByteDance's Seedream family — see the Seedream AI overview.

Yes, in the CheaperGen Studio — no code and no subscription needed. A 2K image costs $0.031, up to 23% below the official price. Step by step: how to use Seedream 4.5.

2K and 4K, and it edits images (up to 10 inputs).

Seedream 4.5: Higher maximum resolution: 4K vs 2K. Seedream 5.0 Lite: Newer model (released June 28, 2026). Full comparison: Seedream 4.5 vs Seedream 5.0 Lite.

Yes: one API key, POST /v1/run/{endpoint}, from $0.0309/image. See the Seedream 4.5 API page and its documentation.

Seedream 4.5 is developed by ByteDance. CheaperGen provides API access and does not own the model. Trademarks belong to their respective owners.