Seedream V5.0 Pro Text to Image API

doubao/seedream-v5.0-pro/text-to-image

doubao/seedream-v5.0-pro/text-to-image. 瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。

相關模型

Seedream V5.0 Pro Text to Image API 相關模型 1
Seedream V5.0 Pro Text to Image API 相關模型 2
Seedream V5.0 Pro Text to Image API 相關模型 3

完整參數參考、輸出結構與即時價格

AI 模型 API 市集一個平台,全部完成最受歡迎服務條款瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
prompt *Prompttextarea—≤ 5000 chars
resolution *Resolutionselect1k1k | 2k
aspect_ratioAspect Ratioselect1:11:1 | 1:2 | 2:1 | 1:3 | 3:1 | 2:3 | 3:2 | 3:4 | …
output_formatOutput Formatselect—jpeg | png

完整參數參考、輸出結構與即時價格

深入了解一個平台,全部完成瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
imagesarray<string>

API

瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/doubao/seedream-v5.0-pro/text-to-image" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic portrait of a young astronaut standing in a lush bioluminescent forest at dusk, soft blue and purple lighting, intricate space suit details, floating particles in the air, ultra-realistic, highly detailed, atmospheric depth, sharp focus",
    "resolution": "2k",
    "aspect_ratio": "4:5",
    "output_format": "png"
  }
}'

# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time, requests

API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1) Submit
resp = requests.post(
    "https://www.namifusion.com/api/v1/marketplace/run/doubao/seedream-v5.0-pro/text-to-image",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic portrait of a young astronaut standing in a lush bioluminescent forest at dusk, soft blue and purple lighting, intricate space suit details, floating particles in the air, ultra-realistic, highly detailed, atmospheric depth, sharp focus",
            "resolution": "2k",
            "aspect_ratio": "4:5",
            "output_format": "png"
        }
    },
)
resp.raise_for_status()  # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()

# 2) Poll until a terminal state (completed / failed / cancelled).
#    This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
    if time.time() > deadline:
        raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
    time.sleep(3)
    poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
    poll.raise_for_status()
    task = poll.json()

print(task["status"], task.get("output"))
JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };

// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/doubao/seedream-v5.0-pro/text-to-image", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic portrait of a young astronaut standing in a lush bioluminescent forest at dusk, soft blue and purple lighting, intricate space suit details, floating particles in the air, ultra-realistic, highly detailed, atmospheric depth, sharp focus",
      "resolution": "2k",
      "aspect_ratio": "4:5",
      "output_format": "png"
    }
  }),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();

// 2) Poll until a terminal state (completed / failed / cancelled).
//    This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
  if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
  await new Promise((r) => setTimeout(r, 3000));
  const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
  if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
  task = await poll.json();
}

console.log(task.status, task.output);

API 文件

Seedream V5.0 Pro Text to Image API

High-quality text-to-image generation with strong prompt adherence, flexible aspect ratios, and no cold starts.

Seedream V5.0 Pro is ByteDance’s advanced text-to-image model for developers and teams that need polished visual output with efficient production workflows. It combines strong prompt following, flexible aspect ratio support, 1K and 2K output tiers, and reliable no-cold-start performance for cost-effective image generation at scale.

🚀 Key Features

  • Pro-grade image quality: Built for high-quality text-to-image generation suitable for creative, marketing, and production use.
  • Strong prompt adherence: Accurately follows subject, scene, style, lighting, and composition instructions for more predictable results.
  • Flexible aspect ratios: Supports square, portrait, landscape, tall, and ultrawide layouts for a wide range of publishing formats.
  • Simple resolution tiers: Choose 1k for lower-cost iteration or 2k for higher-resolution final outputs.
  • Standard output formats: Export generated images in jpeg or png depending on workflow needs.
  • No cold starts: Designed for responsive, ready-to-run generation in production environments.

🛠️ Technical Specifications

ItemDetails
Model NameSeedream V5.0 Pro
Model IDbytedance/seedream-v5.0-pro
Task TypeText-to-image
Model ArchitectureAdvanced ByteDance text-to-image model
InputText prompt
OutputSingle image
Output Formatjpeg, png
Aspect Ratio1:1, 1:2, 2:1, 1:3, 3:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 9:21, 21:9
Resolution1k, 2k
Default Aspect Ratio1:1
Default Resolution1k
Default Output Formatjpeg
Latency ProfileNo cold starts; optimized for responsive generation
Typical WorkflowWrite prompt → choose aspect ratio → choose resolution → choose output format → generate image

Sample Prompts

  • Luxury skincare product shot on a marble surface, soft side lighting, minimal background, premium commercial photography, crisp details, elegant composition
  • Futuristic city street at night after rain, neon reflections, cinematic wide-angle composition, blue and purple color palette, ultra-detailed
  • Original anime-style character design sheet, full-body front view, clean background, intricate costume details, vibrant illustration style

💰 Pricing

ResolutionPrice
1k$0.045
2k$0.090

💡 Best Use Cases

  • Marketing creatives: Generate campaign visuals, social media graphics, promotional assets, and branded content.
  • Creative concepting: Explore characters, environments, products, and visual directions from natural language prompts.
  • E-commerce and brand production: Create layout-specific product visuals, banners, and merchandising assets efficiently.
  • Production image workflows: Use 1k for rapid prompt iteration and 2k for higher-resolution final delivery.

🔗 Related Models

  • Seedream V5.0 Pro Edit: A related model for text-guided image editing workflows.
  • Seedream V5.0 Lite: A lighter-weight alternative for users prioritizing efficiency and lower-cost generation.

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