Seedream 5.0 Pro
Seedream 5.0 Pro is the flagship image model in ByteDance's Seedream line, unifying text-to-image, image-to-image, and image editing, strong at precise text rendering, up to 4K ultra-HD output, and multi-reference fusion. Access it through Velokey's unified image endpoint — one API key, pay as you go, priced per image — for content production and creative automation.
Use cases
Product and e-commerce visuals · Posters and brand creative
Input
Text
Output
Image
Billing
Per image
Sign up to get $0.5 in free credits — about 20 free images
Generate an image
Enter a prompt and click Generate
Seedream 5.0 Pro examples
👆 Click on any example above to view full details, prompt, and parameters
Pricing details
Transparent usage-based pricing with no hidden fees.
Detailed Pricing
Usage-based pricing breakdown
| Spec | Price |
|---|---|
| 1K/image | 0.045 Credits≈$0.045 |
| 2K/image | 0.09 Credits≈$0.09 |
| 4K/image | 0.09 Credits≈$0.09 |
Billing Rules
- Output price varies by model, resolution, quality, duration, or token usage.
- Uploaded reference files may be charged separately when supported.
- Add-on capabilities such as web search or image search may be billed per request.
- Token-based models are billed by input and output tokens.
- If the primary route is unavailable, Velokey may automatically switch to a stable fallback route when possible.
- Usage is pay-as-you-go with transparent credit deduction.
* Final cost depends on the generated result.
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Affordable Seedream 5.0 Pro API
Access ByteDance's flagship image model, Seedream 5.0 Pro, on Velokey — unified text-to-image, image-to-image, and editing with precise text rendering, up to 4K output, and multi-reference fusion, behind one API key and pay-as-you-go.
Meet Seedream 5.0 Pro and its API integration
Seedream 5.0 Pro is the flagship image model in ByteDance's Seedream line, unifying text-to-image, image-to-image, and editing in one architecture, built for precise text and layout rendering, up to 4K ultra-HD output, multi-reference fusion, and instruction-based editing. On Velokey you can access the Seedream 5.0 Pro API through a unified image endpoint — one API key, pay as you go, priced per image (tiered by 1K/2K/4K resolution), no forced subscription — with credits, usage, and multi-model routing all managed in one console.
Precise text and layout rendering
Renders headlines, body text, and multilingual type clearly — a fit for posters, covers, and product shots with copy; paired with instruction editing, it can revise text and elements while keeping the image intact.
View docs →
Up to 4K ultra-HD output
Supports up to 4K ultra-HD generation with adaptive aspect ratios, reaching commercial-grade detail and texture — usable straight in e-commerce hero shots, ads, and print-quality visuals.
View docs →
Multi-reference and feature fusion
Extracts key information from multiple reference images and fuses features to output coherent series — a fit for consistent characters, product series, and storyboards.
View docs →
Unified generation and instruction editing
One architecture handles text-to-image, image-to-image, and editing; text instructions add, remove, modify, or replace elements, so one endpoint covers the full flow from generation to refinement.
View docs →
How to deploy the Seedream 5.0 Pro API on Velokey
A few steps to start calling.
Register and get an API key
Create an API key in the Velokey console to authenticate all generation and editing requests sent to Seedream 5.0 Pro.
Configure the request
Set model to doubao-seedream-5-0-pro, write your prompt, and attach reference images, a target aspect ratio, and 1K/2K/4K resolution as needed.
Generate and edit
Send requests through Velokey's unified /v1/images/generations endpoint to generate or edit images, with credits and usage managed in one console.
Seedream 5.0 Pro real-world use cases
From e-commerce visuals to creative production, a fit for many image workflows.
Product and e-commerce visuals
Generate clean, consistent product shots at up to 4K with adaptive ratios for detail pages, banners, and campaigns.
Posters and typography
Produce posters, covers, and social images with precise headline and body layout, with clear, usable text.
Instruction-based editing
Add, remove, modify, or replace elements with text instructions while keeping the rest intact, for fast iterative retouching.
Series and character consistency
With multi-reference and feature fusion, produce consistent characters, product series, and storyboards.
Charts and technical visuals
Render charts, tables, and technical illustrations clearly for education and technical content.
Creative automation
Wire one unified endpoint into bulk asset generation and editing, with consistent billing across teams.
Why choose Velokey for Seedream 5.0 Pro
Per-image, pay as you go
Transparent per-image, per-resolution billing on Velokey — pay as you go, no forced subscription, lower upfront cost.
One key, many models
A single API key reaches Seedream 5.0 Pro and other models, with no need to manage multiple accounts and keys.
Unified generation and editing endpoint
Text-to-image, image-to-image, and editing through one unified endpoint, reusing the same integration everywhere.
Stability and high availability
Automatic failover and stable fallback routes maintain availability when the primary route is down, keeping production steady.
API Reference
Complete API call examples and parameter descriptions
Endpoint
https://api.velokey.ai/v1/images/generationsAuthentication
Bearer YOUR_API_KEYRequest Example
curl https://api.velokey.ai/v1/images/generations \
-X POST \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-seedream-5-0-pro",
"prompt": "A premium product photo...",
"size": "1024x1024",
"quality": "high"
}'Response Example
{
"id": "req_abc123",
"model": "doubao-seedream-5-0-pro",
"created": 1234567890,
"data": { ... }
}Seedream 5.0 Pro API FAQ
What is the Seedream 5.0 Pro API?
Seedream 5.0 Pro is the flagship image model in ByteDance's Seedream line, unifying text-to-image, image-to-image, and editing. On Velokey you call it through the unified image endpoint with model set to doubao-seedream-5-0-pro.
What can Seedream 5.0 Pro do?
It supports precise text and layout rendering, up to 4K ultra-HD output, multi-reference fusion, and instruction-based editing that adds, removes, modifies, or replaces elements.
Which endpoint should I use for Seedream 5.0 Pro?
Use your Velokey API key, set model to doubao-seedream-5-0-pro, and call /v1/images/generations. Generation tasks can be polled for status by the returned result.
How is Seedream 5.0 Pro billed?
The pricing section on this page shows current Velokey prices, billed per image and tiered by resolution (1K/2K/4K). Credits are managed from one Velokey account.
Who should use the Seedream 5.0 Pro API?
It fits designers, e-commerce ops, marketing teams, and developers who need commercial-grade visuals, precise typography, and fast iteration.
Start building with Seedream 5.0 Pro today
Use one API key to access low-cost, stable AI models through Velokey.