/IMAGE/Seedream/doubao-seedream-4-5

Image

ByteDance

Seedream 4.5

Generate and edit detailed images from prompts and reference images.

Text to image
Image editing

Get API Key Documentation

Starting at

0.038 coins

per generation

5% cheaper than fal.ai

7 parameters · 1 price options

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Input

Prompt*

Text description for image generation

URLs

Reference image URLs (URLs or base64 data URIs) for image-to-image mode

Runs are charged to your balance.

Output

Output will appear here.

Pricing

Option	Price per generation	fal.ai	Your savings
Standard	0.038 coins	0.04 coins	−5%

Quick start

Full API reference →

1curl -X POST https://api.apihubs.ru/api/v1/generation/create \
2  -H "Authorization: Bearer $API_STOCK_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "doubao-seedream-4-5",
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      "watermark": false
13    }
14  }'

Parameters

Name	Type	Required	Default	Description
`prompt`	string	Yes	—	Text description for image generation
`urls`	string[]	No	—	Reference image URLs (URLs or base64 data URIs) for image-to-image mode
`size`	string	No	1:1	Image aspect ratioOne of: 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9, 9:21, auto
`resolution`	string	No	2K	Image resolutionOne of: 2K, 4K
`outputFormat`	string	No	jpeg	Output image format (doubao-seedream-5-0-lite / doubao-seedream-5-0-pro only; ignored by other models)One of: jpeg, png
`promptOptimizeMode`	string	No	standard	Prompt optimization mode (doubao-seedream-4-5 only; ignored by other models)One of: standard, fast
`watermark`	boolean	No	false	Whether to add a watermark to the generated image

Frequently asked questions

How much does Seedream 4.5 cost?

Seedream 4.5 starts at $0.038 per generation through the API Hubs 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.

How do I call the Seedream 4.5 API?

Send a POST request to https://api.apihubs.ru/api/v1/generation/create with your API key and the model id "doubao-seedream-4-5". 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 4.5 accept?

Seedream 4.5 accepts 7 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 4.5 request fails?

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

Can I use Seedream 4.5 with the same API key as other models?

Yes. Every model on API Hubs — video, image, music and chat — shares one API key and one prepaid balance, so you can switch to Seedream 4.5 without new credentials.

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