Seedance 2 Fast
ByteDance Seedance 2 的快速版本，以更低单秒价格支持多模态异步视频生成。
执行方式
异步视频
适合排队式视频生成工作流
时长
4-15s
生成视频的输出时长范围
分辨率
480p / 720p
输出档位；计费按返回 token
Token 单价
$3.30-$5.60 / 1M
随分辨率和是否含视频输入变化
seedance-2-fast试玩区
seedance-2-fast暂无输出
定价
| 视频输入 | 分辨率 | Token 单价 |
|---|---|---|
| 无视频输入 | 480p / 720p | $5.60 / 1M tokens |
| 含视频输入 | 480p / 720p | $3.30 / 1M tokens |
| 无视频输入 | 1080p | 不支持 |
Token rate · $5.88 · 1M tokens
Token rate · $3.465 · 1M tokens
Example 5s video · $0.294 · video
Example 5s video · $0.63 · video
README
- Seedance 2 Fast 支持与 Seedance 2 相近的创作方向，包括多模态参考工作流。
- 它适合希望更快迭代、降低单秒成本，并主要使用 480p 或 720p 输出的团队。
- 当需要 Seedance 2 兼容能力，但更看重速度和低单秒成本，且不需要 1080p 输出时，适合选择该模型。
API
API
端点
POST /v1/vids/create认证
Authorization: Bearer YOUR_REACH_API_KEY Content-Type: application/json
示例
curl -X POST "https://direct.reachapi.ai/v1/vids/create" \
-H "Authorization: Bearer YOUR_REACH_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance-2",
"input": {
"content": [
{
"type": "text",
"text": "A stylized travel film scene with dynamic camera movement"
}
],
"duration_seconds": 8,
"resolution": "1080p",
"aspect_ratio": "adaptive",
"watermark": false
}
}'相关模型
Seedance 2.5
ByteDance's Seedance 2.5 model for long-form multimodal video generation, editing, extension, and audio-driven creation.
Seedance 2
ByteDance's Seedance 2 video model for multimodal reference input, editing, extension, and asynchronous generation.
Seedance 1.5 Pro
ByteDance's Seedance 1.5 Pro video model for higher-capability text and frame-guided video generation.
Seedance 1.0 Pro
ByteDance's Seedance 1.0 Pro video generation model for text-guided and frame-guided cinematic video tasks.
Seedance 1.0 Pro Fast
ByteDance's faster Seedance 1.0 Pro variant for lower-cost asynchronous video generation.