Sharp 1K and 2K output
It renders crisp images at 1K (about 2 MP) and 2K (about 4 MP), with pricing tiered by resolution so you only pay for the detail you need.
Image by ByteDance
Seedream 5.0 Pro API
ByteDance's flagship Seedream 5.0 Pro image and editing model (mid 2026), generating sharp 1K and 2K images from text or up to 10 reference images with advanced reasoning and precision editing.
Integrate Seedream 5.0 Pro with a single API call — one key, one unified endpoint, and shared billing across every model on Apiframe.
model: "seedream-5-pro" What's special about Seedream 5.0 Pro
Up to 10 reference images
It accepts up to 10 reference images for single- and multi-reference generation, making it strong for product placement, character consistency, and scene compositing.
Advanced prompt reasoning
It uses deep, chain-of-thought understanding to turn data, concepts, and long text into structured layouts like infographics, posters, UI mockups, and charts in a single generation.
Precision editing and layer separation
It supports region-precise edits and can separate an image into editable assets such as text, subject, and background, changing one element without regenerating the whole canvas.
Native multilingual text
It renders accurate text in 14 languages, including right-to-left layouts and accented scripts, a major step up from previous Seedream generations.
Photorealism and material fidelity
It improves physical lighting, material behavior, skin texture, and multi-person compositing for convincing, commercially usable results.
Made with Seedream 5.0 Pro
A few outputs generated through the Seedream 5.0 Pro API on Apiframe.
Sample coming soon
A cinematic portrait of an astronaut in a neon-lit alley, 85mm, shallow depth of field
Sample coming soon
Cozy isometric coffee shop, warm morning light, highly detailed 3D render
Sample coming soon
A majestic snow leopard on a misty mountain ridge at golden hour
Overview
- Endpoint
- POST /v2/images/generate
- Model ID
- seedream-5-pro
- Params key
- seedreamParams
- Modality
- Image
- Provider
- ByteDance
- Avg. completion
- ~20s
Capabilities
Aspect ratios1:1, 3:4, 4:3, 9:16, 16:9
Resolutions1K, 2K
Image inputSupported
Avg. time~20s
Quick start
Send a single POST /v2/images/generate request with your API key to
generate with Seedream 5.0 Pro. The call returns a jobId you can poll or
receive via webhook.
curl -X POST https://api.apiframe.ai/v2/images/generate \
-H "X-API-Key: afk_your_api_key_here" \
-H "Content-Type: application/json" \
-d '{
"prompt": "a sleek silver sports car on a coastal highway at sunset, hyper-realistic",
"model": "seedream-5-pro",
"seedreamParams": {
"image_input": "https://example.com/input.jpg",
"output_format": "jpg",
"guidance_scale": 3,
"use_pre_llm": false
}
}'import requests
response = requests.post(
"https://api.apiframe.ai/v2/images/generate",
headers={
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
json={
"prompt": "a sleek silver sports car on a coastal highway at sunset, hyper-realistic",
"model": "seedream-5-pro",
"seedreamParams": {
"image_input": "https://example.com/input.jpg",
"output_format": "jpg",
"guidance_scale": 3,
"use_pre_llm": False
}
},
)
print(response.json()) # { "jobId": "...", "status": "QUEUED" }const response = await fetch("https://api.apiframe.ai/v2/images/generate", {
method: "POST",
headers: {
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
body: JSON.stringify({
"prompt": "a sleek silver sports car on a coastal highway at sunset, hyper-realistic",
"model": "seedream-5-pro",
"seedreamParams": {
"image_input": "https://example.com/input.jpg",
"output_format": "jpg",
"guidance_scale": 3,
"use_pre_llm": false
}
}),
});
const { jobId } = await response.json();
console.log(jobId);Response & job lifecycle
Generation is asynchronous. A successful submission returns 202 Accepted with a jobId. Poll GET /v2/jobs/{id} (or supply a webhook_url) until the status is COMPLETED; the result field then holds the output URL(s).
1. Submission response (202)
{
"jobId": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
"status": "QUEUED"
}2. Poll for the result
curl https://api.apiframe.ai/v2/jobs/JOB_ID \
-H "X-API-Key: afk_your_api_key_here"import requests, time
while True:
job = requests.get(
"https://api.apiframe.ai/v2/jobs/JOB_ID",
headers={"X-API-Key": "afk_your_api_key_here"},
).json()
if job["status"] in ("COMPLETED", "FAILED"):
break
time.sleep(2)
print(job["result"])let job;
do {
await new Promise((r) => setTimeout(r, 2000));
job = await fetch("https://api.apiframe.ai/v2/jobs/JOB_ID", {
headers: { "X-API-Key": "afk_your_api_key_here" },
}).then((r) => r.json());
} while (job.status !== "COMPLETED" && job.status !== "FAILED");
console.log(job.result);Input schema
Request parameters accepted by the Seedream 5.0 Pro endpoint. Model-specific options are nested under the params object shown below.
| Parameter | Type | Required | Default | Allowed / range | Description |
|---|---|---|---|---|---|
| prompt | string | required | — | — | Text description of what to generate. |
| model | string | required | "seedream-5-pro" | "seedream-5-pro" | The model identifier for this endpoint. |
| seedreamParams.image_input | string (URL) | optional | — | — | Reference image (URL) |
| seedreamParams.output_format | string | optional | "jpg" | "jpg", "png" | Output format |
| seedreamParams.guidance_scale | number | optional | 3 | min 1, max 10, step 0.5 | Guidance |
| seedreamParams.use_pre_llm | boolean | optional | false | — | Pre-process the prompt with an LLM. |
| seedreamParams.enhance_prompt | boolean | optional | false | — | Enhance prompt |
| seedreamParams.seed | number | optional | — | step 1 | Reuse a number to reproduce the same result. |
Frequently Asked Questions
Common questions about the Seedream 5.0 Pro API.
What is Seedream 5.0 Pro?
ByteDance's flagship Seedream 5.0 Pro, a unified text-to-image and image-editing model that generates sharp 1K and 2K images from text or up to 10 reference images.
What resolutions does it support?
It generates at 1K (around 2 MP) and 2K (around 4 MP), with 2K as the default. Pricing is tiered by the resolution you request.
How is it different from Seedream 5 Lite?
Pro is the flagship generation-and-editing tier tuned for sharp 1K/2K output, multi-reference workflows, precision editing, and stronger multilingual text rendering, where Lite trades some of that for speed and lower cost.
How many reference images can it use?
Up to 10 reference images in a single generation for single- and multi-reference composition and editing.
Where can you access it?
Through Apiframe with a single API, async jobs, and webhooks. Apiframe routes to BytePlus ModelArk with Replicate as a fallback.
Still have questions?
Start building with the Seedream 5.0 Pro API
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