Seedance 2.0 Fast Text to Video

doubao/seedance-2-0-fast/text-to-video

doubao/seedance-2-0-fast/text-to-video. Görsel, video ve yüz değiştirme model API’lerine göz at. Bir modeli dene ve birleşik REST API ile entegre et.

İlgili modeller

Tüm parametreler, çıktı şeması ve güncel fiyatlar

Yapay zeka model API pazarıTek platformda her şeyEn popülerKoşullarGörsel, video ve yüz değiştirme model API’lerine göz at. Bir modeli dene ve birleşik REST API ile entegre et.
prompt *Prompttextarea——
generate_audioGenerate Audiobooleantrue—
resolutionResolutionselect720p480p | 720p
ratioAspect Ratioselectadaptiveadaptive | 16:9 | 4:3 | 1:1 | 3:4 | 9:16 | 21:9
duration *Duration (Seconds)select54 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | …
watermarkAdd Watermarkbooleanfalse—
seedSeednumber-1-1 ~ 4294967295

Tüm parametreler, çıktı şeması ve güncel fiyatlar

Daha fazla bilgiTek platformda her şeyGörsel, video ve yüz değiştirme model API’lerine göz at. Bir modeli dene ve birleşik REST API ile entegre et.
videosarray<string>

API

Görsel, video ve yüz değiştirme model API’lerine göz at. Bir modeli dene ve birleşik REST API ile entegre et.

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/doubao/seedance-2-0-fast/text-to-video" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A serene landscape with a futuristic city in the background, glowing with neon lights under a starry night sky.",
    "generate_audio": true,
    "resolution": "720p",
    "ratio": "16:9",
    "duration": 6,
    "watermark": false,
    "seed": -1
  }
}'

# 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/seedance-2-0-fast/text-to-video",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A serene landscape with a futuristic city in the background, glowing with neon lights under a starry night sky.",
            "generate_audio": True,
            "resolution": "720p",
            "ratio": "16:9",
            "duration": 6,
            "watermark": False,
            "seed": -1
        }
    },
)
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/seedance-2-0-fast/text-to-video", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A serene landscape with a futuristic city in the background, glowing with neon lights under a starry night sky.",
      "generate_audio": true,
      "resolution": "720p",
      "ratio": "16:9",
      "duration": 6,
      "watermark": false,
      "seed": -1
    }
  }),
});
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 belgeleri

Seedance 2.0 Fast Text to Video

A speed-optimized text-to-video model for cinematic output, native audio sync, and cost-efficient production.

Seedance 2.0 Fast Text to Video is ByteDance’s fast variant of the Seedance video generation family, designed to turn prompts into cinematic videos with native audio-visual synchronization. Built on Seed’s unified multimodal architecture, it delivers strong motion stability, prompt-driven camera and lighting control, and faster turnaround for iterative and high-volume workflows.

🚀 Key Features

  • Speed-optimized generation: Built for rapid iteration, concept testing, and faster production cycles.
  • Native audio-visual synchronization: Generates synchronized video and audio in a single pass when audio generation is enabled.
  • Director-level prompt control: Supports detailed prompting for camera movement, lighting, shadows, scene mood, and character performance.
  • Unified multimodal architecture: Works with text prompts and optional image, video, and audio references for stronger creative guidance.
  • Strong motion stability: Produces coherent subject motion and smoother transitions across short-form video sequences.
  • Cost-efficient for scale: Well suited to high-volume generation, experimentation, and A/B testing workflows.

🛠️ Technical Specifications

ItemDetails
Model architectureSeed unified multimodal architecture, speed-optimized variant
Model typeText-to-Video
InputPrompt, reference images, reference videos, reference audios
Output FormatVideo with optional native synchronized Audio
Aspect Ratio16:9, 9:16, 4:3, 3:4, 1:1, 21:9
Resolution480p, 720p, 1080p
Duration4–15 seconds (default: 5)
Audio generationSupported, enabled by default
Reference video limitTotal reference video length must not exceed 15 seconds
Reference audio limitTotal reference audio length must not exceed 15 seconds
Real-time informationOptional web search support
LatencyOptimized for fast generation; actual latency depends on resolution, duration, and reference inputs
Workflow modePrompt-only generation or reference-guided generation

Sample Prompts

  • A futuristic city street at dusk after rain, neon reflections on the pavement, slow forward camera movement, a character in a black coat walking through the crowd, cinematic lighting, tense and mysterious mood.
  • A luxury perfume commercial, close-up of water droplets on a glass bottle, soft side lighting, slow rotating camera, minimal background, premium visual style, elegant ambient sound.
  • A sunrise aerial shot over a tropical coastline, the camera rises from the ocean and reveals palm trees and a bright beach, natural colors, relaxed vacation atmosphere.

💰 Pricing

Service TypePriceEstimated Cost
Video Gen (T2V/I2V)$5.6 / 1M Tokens~$0.0538/$0.121 per second
Video Gen (V2V)$3.3 / 1M Tokens~$0.0317/$0.0713 per second

💡 Best Use Cases

  • Social media content: Generate short-form videos quickly for vertical, square, or widescreen publishing.
  • Advertising and e-commerce testing: Produce multiple creative variations for campaign testing, product storytelling, and conversion experiments.
  • Previsualization and concept development: Explore shot design, lighting direction, and scene mood before full production.
  • High-volume content pipelines: Ideal for studios, marketing teams, and platforms that need scalable video generation.

🔗 Related Models

  • Seedance 2.0 Text-to-Video: Standard version for higher-end final quality.
  • Seedance 2.0 Fast Image-to-Video: Fast image-guided video generation for workflows built around key visual references.
  • Seedance 2.0 Image-to-Video: Standard image-to-video version for higher-quality output.

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