Seedream 4.5

ByteDance's Seedream 4.5 image model for unified generation and editing with stronger subject consistency, layout control, and dense text rendering.

Unified Generation + EditingMulti-Image ConsistencyUp to 4MP Output

Generation Modes

Text + image

Unified generation and editing workflow

Subject Detail

Preserved

Built for identity and product consistency

Output Quality

Up to 4MP

Suitable for higher-detail visual assets

Reference Price

$0.04

Public reference price per image

Model Codeseedream-4-5

Playground

Model Code

seedream-4-5

Reference inputs

Reference Images0/14

Click or drag

Enter your prompt here...

Resolution

Resolution (sent to backend)

Quantity

Quantity (sent to backend)

Watermark

Output

No output yet

Pricing

Mode	Source	Price
Text-to-image	Public reference price	$0.04 / image
Image editing	Public reference price	$0.04 / image

Image generation · $0.04 · image

README

Seedream 4.5 is designed around a unified generation and editing architecture, supporting high-quality image creation, multi-image editing consistency, subject detail preservation, and polished outputs up to roughly 4MP.

Seedream 4.5 uses a unified architecture for image generation and editing, helping teams keep the same model family across creation and revision workflows.
It is positioned for stronger multi-image editing consistency, subject detail preservation, typography, and dense text rendering.
Use this model for brand assets, product compositions, editorial visuals, and higher-detail image workflows that benefit from output sizes up to roughly 4MP.

API

Use the API docs for request format, parameters, and integration details.

ByteDance's Seedream 4.5 image model for unified generation and editing with stronger subject consistency, layout control, and dense text rendering.

Model Code

seedream-4-5

View API Docs

API

Endpoint

POST /v1/images/create

Authentication

Authorization: Bearer YOUR_REACH_API_KEY
Content-Type: application/json

Example

curl -X POST "https://direct.reachapi.ai/v1/images/create" \
  -H "Authorization: Bearer YOUR_REACH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedream-4-5",
    "input": {
      "prompt": "A quiet ceramic tea cup on a wooden table, square composition, soft morning light",
      "resolution": "2k",
      "watermark": false
    }
  }'

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Seedream 5.0 Lite

ByteDance's lightweight Seedream 5.0 image model for reasoning-led visual generation, editing, and web-connected creative workflows.

Seedream 5.0 Pro

ByteDance's high-precision Seedream image model for controlled generation, multi-reference composition, and interactive editing.