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Seedance 2.0 Video Generation

Seedance 2.0 视频生成

Generate videos with synchronized audio using ByteDance's Seedance 2.0 models via inference.sh CLI.

通过inference.sh CLI使用ByteDance的Seedance 2.0模型生成带同步音频的视频。

Quick Start

快速开始

Requires inference.sh CLI (
belt
). Install instructions

bash

belt login

belt app run falai/seedance-2-t2v --input '{
  "prompt": "a jazz band performing in a dimly lit club",
  "generate_audio": true
}'

需要inference.sh CLI（
belt
）。安装说明

bash

belt login

belt app run falai/seedance-2-t2v --input '{
  "prompt": "a jazz band performing in a dimly lit club",
  "generate_audio": true
}'

Seedance 2.0 Models

Seedance 2.0 模型

Model	App ID	Best For
Seedance 2 T2V	`falai/seedance-2-t2v`	Text-to-video with audio
Seedance 2 I2V	`falai/seedance-2-i2v`	Animate images with audio
Seedance 2 R2V	`falai/seedance-2-r2v`	Reference images/videos/audio to video

All models support quality and fast modes, 480p/720p resolution, and synchronized audio generation.

模型	App ID	最佳适用场景
Seedance 2 T2V	`falai/seedance-2-t2v`	带音频的文本转视频
Seedance 2 I2V	`falai/seedance-2-i2v`	带音频的图像动画化
Seedance 2 R2V	`falai/seedance-2-r2v`	基于参考图像/视频/音频生成视频

所有模型均支持质量和快速模式、480p/720p分辨率，以及同步音频生成。

Examples

示例

Text-to-Video with Audio

带音频的文本转视频

bash

belt app run falai/seedance-2-t2v --input '{
  "prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
  "generate_audio": true,
  "duration": 10,
  "aspect_ratio": "16:9"
}'

bash

belt app run falai/seedance-2-t2v --input '{
  "prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
  "generate_audio": true,
  "duration": 10,
  "aspect_ratio": "16:9"
}'

Fast Mode (Cheaper)

快速模式（成本更低）

bash

belt app run falai/seedance-2-t2v --input '{
  "prompt": "a butterfly landing on a flower in slow motion",
  "mode": "fast",
  "generate_audio": true
}'

bash

belt app run falai/seedance-2-t2v --input '{
  "prompt": "a butterfly landing on a flower in slow motion",
  "mode": "fast",
  "generate_audio": true
}'

Image-to-Video

图像转视频

Animate a still image into a video:

bash

belt app run falai/seedance-2-i2v --input '{
  "image": "https://your-image.jpg",
  "prompt": "gentle camera movement, leaves rustling in the wind",
  "generate_audio": true
}'

将静态图像动画化为视频：

bash

belt app run falai/seedance-2-i2v --input '{
  "image": "https://your-image.jpg",
  "prompt": "gentle camera movement, leaves rustling in the wind",
  "generate_audio": true
}'

Image-to-Video with Start and End Frames

带起始和结束帧的图像转视频

bash

belt app run falai/seedance-2-i2v --input '{
  "image": "https://start-frame.jpg",
  "end_image": "https://end-frame.jpg",
  "prompt": "smooth transition between scenes",
  "generate_audio": true
}'

bash

belt app run falai/seedance-2-i2v --input '{
  "image": "https://start-frame.jpg",
  "end_image": "https://end-frame.jpg",
  "prompt": "smooth transition between scenes",
  "generate_audio": true
}'

Reference-to-Video

参考素材转视频

Use reference images, videos, or audio in your prompt with

@Image1

@Video1

@Audio1

placeholders:

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "A person who looks like @Image1 is walking through a garden",
  "images": ["https://portrait.jpg"],
  "generate_audio": true
}'

在提示词中使用

@Image1

、

@Video1

、

@Audio1

占位符引用图像、视频或音频素材：

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "A person who looks like @Image1 is walking through a garden",
  "images": ["https://portrait.jpg"],
  "generate_audio": true
}'

Multi-Reference

多参考素材

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "@Image1 and @Image2 are having a conversation at a cafe",
  "images": ["https://person1.jpg", "https://person2.jpg"],
  "generate_audio": true
}'

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "@Image1 and @Image2 are having a conversation at a cafe",
  "images": ["https://person1.jpg", "https://person2.jpg"],
  "generate_audio": true
}'

Reference with Audio

带音频参考的视频生成

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "A musician who looks like @Image1 is performing @Audio1",
  "images": ["https://musician.jpg"],
  "audios": ["https://music.mp3"],
  "generate_audio": true
}'

bash

belt app run falai/seedance-2-r2v --input '{
  "prompt": "A musician who looks like @Image1 is performing @Audio1",
  "images": ["https://musician.jpg"],
  "audios": ["https://music.mp3"],
  "generate_audio": true
}'

Pricing

定价

Mode	720p	480p
Quality	~$0.30/sec	~$0.13/sec
Fast	~$0.24/sec	~$0.11/sec

模式	720p	480p
质量模式	~$0.30/秒	~$0.13/秒
快速模式	~$0.24/秒	~$0.11/秒

Parameters (T2V)

参数（T2V）

Parameter	Type	Default	Description
`prompt`	string	required	Text description of the video
`generate_audio`	boolean	false	Generate synchronized audio
`duration`	enum	-	Duration in seconds (4–10)
`aspect_ratio`	enum	-	16:9, 9:16, 1:1, 4:3, 3:4
`resolution`	enum	-	480p or 720p
`mode`	enum	quality	quality or fast
`seed`	integer	random	Reproducible generation

参数	类型	默认值	说明
`prompt`	string	必填	视频的文本描述
`generate_audio`	boolean	false	生成同步音频
`duration`	enum	-	视频时长（4–10秒）
`aspect_ratio`	enum	-	宽高比：16:9、9:16、1:1、4:3、3:4
`resolution`	enum	-	分辨率：480p或720p
`mode`	enum	quality	模式：quality（质量模式）或fast（快速模式）
`seed`	integer	随机值	可复现生成结果

Parameters (I2V)

参数（I2V）

Same as T2V plus:

Parameter	Type	Description
`image`	file	Starting frame image (required)
`end_image`	file	Optional ending frame

与T2V参数相同，新增以下参数：

参数	类型	说明
`image`	file	起始帧图像（必填）
`end_image`	file	可选的结束帧

Parameters (R2V)

参数（R2V）

Same as T2V plus:

Parameter	Type	Description
`images`	array	Reference images (@Image1, @Image2, ...)
`videos`	array	Reference videos (@Video1, @Video2, ...)
`audios`	array	Reference audio (@Audio1, @Audio2, ...)

与T2V参数相同，新增以下参数：

参数	类型	说明
`images`	array	参考图像（@Image1、@Image2等）
`videos`	array	参考视频（@Video1、@Video2等）
`audios`	array	参考音频（@Audio1、@Audio2等）

Search Seedance Apps

搜索Seedance应用

bash

belt app list --search "seedance"

bash

belt app list --search "seedance"

Related Skills

Full platform skill (all 250+ apps)

全平台技能（包含250+应用）

npx skills add inference-sh/skills@infsh-cli

All video generation models

所有视频生成模型

npx skills add inference-sh/skills@ai-video-generation

Google Veo

npx skills add inference-sh/skills@google-veo

Image generation (for image-to-video)

图像生成（用于图像转视频）

npx skills add inference-sh/skills@ai-image-generation

AI avatars & lipsync

AI虚拟形象与唇形同步

npx skills add inference-sh/skills@ai-avatar-video


Browse all video apps: `belt app list --category video`

npx skills add inference-sh/skills@ai-avatar-video


浏览所有视频应用：`belt app list --category video`

Documentation

文档

Running Apps - How to run apps via CLI
Streaming Results - Real-time progress updates
Content Pipeline Example - Building media workflows

运行应用 - 如何通过CLI运行应用
流式结果 - 实时进度更新
内容流水线示例 - 构建媒体工作流

seedance

原文

翻译

Seedance 2.0 Video Generation

Seedance 2.0 视频生成

Quick Start

快速开始

Seedance 2.0 Models

Seedance 2.0 模型

Examples

示例

Text-to-Video with Audio

带音频的文本转视频

Fast Mode (Cheaper)

快速模式（成本更低）

Image-to-Video

图像转视频

Image-to-Video with Start and End Frames

带起始和结束帧的图像转视频

Reference-to-Video

参考素材转视频

Multi-Reference

多参考素材

Reference with Audio

带音频参考的视频生成

Pricing

定价

Parameters (T2V)

参数（T2V）

Parameters (I2V)

参数（I2V）

Parameters (R2V)

参数（R2V）

Search Seedance Apps

搜索Seedance应用

Related Skills

相关技能

Full platform skill (all 250+ apps)

全平台技能（包含250+应用）

All video generation models

所有视频生成模型

Google Veo

Google Veo

Image generation (for image-to-video)

图像生成（用于图像转视频）

AI avatars & lipsync

AI虚拟形象与唇形同步

Documentation

文档