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API Stock
/IMAGE/seedream-5-0-flash
Image
ByteDance

Seedream 5.0 Flash API

Fast image generation and editing at 1K, 1.5K or 2K, with up to 10 reference images.

  • Text to image
  • Image editing
Try modelGet API KeyDocumentation

Starting at

$0.02

per generation

5 parameters · 1 price options

Seedream 5.0 Flash playground

Input

0/5000

Text description for image generation or editing (up to 5000 characters)

Up to 10 reference image URLs for image-to-image mode

Sign in to run

Runs are charged to your balance.

Output

Output will appear here.

Fill in the fields, review the cost and run the model. Your result will appear here; you do not need a separate API key to try it in your browser.

Seedream 5.0 Flash API pricing

OptionPrice per generation
Standard$0.02

Quick start

Full API reference →
1curl -X POST https://api.api-stock.com/api/v1/generation/create \
2  -H "Authorization: Bearer $API_STOCK_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "seedream-5-0-flash",
6    "input": {
7      "prompt": "A cinematic shot of a city at dusk",
8      "size": "1:1",
9      "resolution": "1.5K",
10      "outputFormat": "jpeg"
11    }
12  }'

Parameters

NameTypeRequiredDefaultDescription
promptstringYes—Text description for image generation or editing (up to 5000 characters)
urlsstring[]No—Up to 10 reference image URLs for image-to-image mode
sizestringNo1:1Image aspect ratioOne of: 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9
resolutionstringNo1.5KImage resolutionOne of: 1K, 1.5K, 2K
outputFormatstringNojpegOutput image formatOne of: jpeg, png

Frequently asked questions

How much does Seedream 5.0 Flash cost?

Seedream 5.0 Flash starts at $0.02 per generation through the API Stock API. You pay per use from a single prepaid balance — there is no subscription — and the final price scales with parameters such as resolution or duration.

When was Seedream 5.0 Flash released?

Seedream 5.0 Flash was released on September 15, 2026. It is available through the API Stock API with the same key and prepaid balance as every other model.

How do I get an API key for Seedream 5.0 Flash?

Sign up for API Stock, top up your balance using an available payment method and create an API key in the dashboard — it takes a couple of minutes and needs no contract. The same key works with every model in the catalog, so there is no separate key to obtain for Seedream 5.0 Flash.

How do I call the Seedream 5.0 Flash API?

Send a POST request to https://api.api-stock.com/api/v1/generation/create with your API key and the model id "seedream-5-0-flash". The call returns a task id you poll, or a webhook callback when the result is ready. A ready-to-run example is in the quick start above.

What input parameters does Seedream 5.0 Flash accept?

Seedream 5.0 Flash accepts 5 input parameters, including the required field(s) prompt. Their types, defaults and allowed values are listed in the parameters table above.

What happens if a Seedream 5.0 Flash request fails?

API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.

Can I use Seedream 5.0 Flash with the same API key as other models?

Yes. Every model on API Stock — video, image, music and chat — shares one API key and one prepaid balance, so you can switch to Seedream 5.0 Flash without new credentials.

Other Image models

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