Seedance 2.0 Fast Text to Video
doubao/seedance-2-0-fast/text-to-video
doubao/seedance-2-0-fast/text-to-video. इमेज, वीडियो और चेहरा बदलने वाले मॉडल API देखें। किसी मॉडल को आजमाएं और एकीकृत REST API से जोड़ें।
संबंधित मॉडल
पूरे पैरामीटर, आउटपुट स्कीमा और मौजूदा मूल्य
| AI मॉडल API मार्केटप्लेस | एक प्लेटफॉर्म, सब कुछ | सबसे लोकप्रिय | शर्तें | इमेज, वीडियो और चेहरा बदलने वाले मॉडल API देखें। किसी मॉडल को आजमाएं और एकीकृत REST API से जोड़ें। |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | — | |
| generate_audioGenerate Audio | boolean | true | — | |
| resolutionResolution | select | 720p | 480p | 720p | |
| ratioAspect Ratio | select | adaptive | adaptive | 16:9 | 4:3 | 1:1 | 3:4 | 9:16 | 21:9 | |
| duration *Duration (Seconds) | select | 5 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | … | |
| watermarkAdd Watermark | boolean | false | — | |
| seedSeed | number | -1 | -1 ~ 4294967295 |
पूरे पैरामीटर, आउटपुट स्कीमा और मौजूदा मूल्य
| और जानें | एक प्लेटफॉर्म, सब कुछ | इमेज, वीडियो और चेहरा बदलने वाले मॉडल API देखें। किसी मॉडल को आजमाएं और एकीकृत REST API से जोड़ें। |
|---|---|---|
| videos | array<string> |
API
इमेज, वीडियो और चेहरा बदलने वाले मॉडल API देखें। किसी मॉडल को आजमाएं और एकीकृत REST API से जोड़ें।
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 दस्तावेज
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
| Item | Details |
|---|---|
| Model architecture | Seed unified multimodal architecture, speed-optimized variant |
| Model type | Text-to-Video |
| Input | Prompt, reference images, reference videos, reference audios |
| Output Format | Video with optional native synchronized Audio |
| Aspect Ratio | 16:9, 9:16, 4:3, 3:4, 1:1, 21:9 |
| Resolution | 480p, 720p, 1080p |
| Duration | 4–15 seconds (default: 5) |
| Audio generation | Supported, enabled by default |
| Reference video limit | Total reference video length must not exceed 15 seconds |
| Reference audio limit | Total reference audio length must not exceed 15 seconds |
| Real-time information | Optional web search support |
| Latency | Optimized for fast generation; actual latency depends on resolution, duration, and reference inputs |
| Workflow mode | Prompt-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 Type | Price | Estimated 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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