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/IMAGE/Seedream/seedream-5-0-lite
Image
ByteDance

Seedream 5.0 Lite API

Fast image generation and editing from text and reference images.

  • Text to image
  • Image editing
Try modelGet API KeyDocumentation

Starting at

$0.033

per generation

5% cheaper than fal.ai
6 parameters · 1 price options

Seedream 5.0 Lite playground

Input

Text description for image generation

Reference image URLs (URLs or base64 data URIs) 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 Lite API pricing

OptionPrice per generationfal.aiYour savings
Standard$0.033$0.035−5%

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-lite",
6    "input": {
7      "prompt": "A cinematic shot of a city at dusk",
8      "size": "1:1",
9      "resolution": "2K",
10      "outputFormat": "jpeg",
11      "promptOptimizeMode": "standard"
12    }
13  }'

Parameters

NameTypeRequiredDefaultDescription
promptstringYes—Text description for image generation
urlsstring[]No—Reference image URLs (URLs or base64 data URIs) 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, 9:21, auto
resolutionstringNo2KImage resolutionOne of: 2K, 3K, 4K
outputFormatstringNojpegOutput image format (Seedream 5.0 Lite / Pro / Flash only; ignored by other models)One of: jpeg, png
promptOptimizeModestringNostandardPrompt optimization mode (seedream-4-5 only; ignored by other models)One of: standard, fast

Frequently asked questions

How much does Seedream 5.0 Lite cost?

Seedream 5.0 Lite starts at $0.033 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 Lite released?

Seedream 5.0 Lite was released on February 13, 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 Lite?

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 Lite.

How do I call the Seedream 5.0 Lite 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-lite". 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 Lite accept?

Seedream 5.0 Lite accepts 6 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 Lite 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 Lite 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 Lite without new credentials.

Other Image models

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