seedance

name	seedance
description	Generate videos with ByteDance Seedance 2.0 via inference.sh CLI. Unified model for text-to-video, image-to-video, and reference-to-video with synchronized audio, up to 1080p, 4-15s duration. Pro and Fast variants. Use for: social media videos, music videos, product demos, animated content, AI video with sound. Triggers: seedance, seedance 2, bytedance video, seedance t2v, seedance i2v, seedance r2v, video with audio, seedance 2.0, bytedance seedance
allowed-tools	Bash(belt *)

Install the belt CLI skill: npx skills add belt-sh/cli

Seedance 2.0 Video Generation

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

Quick Start

Requires inference.sh CLI (belt). Install instructions

belt login

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "a jazz band performing in a dimly lit club",
  "generate_audio": true
}'

Models

Model	App ID	Best For
Seedance 2.0	bytedance/seedance-2-0	Best quality, up to 1080p, text/image/reference-to-video
Seedance 2.0 Fast	bytedance/seedance-2-0-fast	Faster generation, same capabilities

Both models support text-to-video, image-to-video, reference-to-video, up to 1080p resolution, 4-15s duration, and synchronized audio generation.

Examples

Text-to-Video with Audio

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
  "generate_audio": true,
  "duration": 10,
  "ratio": "16:9"
}'

Fast Mode (Cheaper)

belt app run bytedance/seedance-2-0-fast --input '{
  "prompt": "a butterfly landing on a flower in slow motion",
  "generate_audio": true
}'

Image-to-Video

Animate a still image into a video:

belt app run bytedance/seedance-2-0 --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

belt app run bytedance/seedance-2-0 --input '{
  "image": "https://start-frame.jpg",
  "end_image": "https://end-frame.jpg",
  "prompt": "smooth transition between scenes",
  "generate_audio": true
}'

Reference-to-Video

Use reference images, videos, or audio to guide generation:

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "A person who looks like the reference walking through a garden",
  "reference_image": "https://portrait.jpg",
  "generate_audio": true
}'

Multi-Reference

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "Two people having a conversation at a cafe",
  "reference_image": "https://person1.jpg",
  "reference_image_2": "https://person2.jpg",
  "generate_audio": true
}'

Reference with Audio

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "A musician performing a song",
  "reference_image": "https://musician.jpg",
  "reference_audio": "https://music.mp3",
  "generate_audio": true
}'

Reference with Video

belt app run bytedance/seedance-2-0 --input '{
  "prompt": "Recreate this scene in a different setting",
  "reference_video": "https://reference-clip.mp4",
  "generate_audio": true
}'

Pricing

Model	Pricing
Seedance 2.0	$4.30-$7.70/M tokens (varies by resolution and input type)
Seedance 2.0 Fast	$3.30-$5.60/1K tokens

Parameters

Parameter	Type	Default	Description
prompt	string	required	Text description of the video
generate_audio	boolean	false	Generate synchronized audio
duration	integer	-	Duration in seconds (4-15), or -1 for auto
ratio	enum	-	16:9, 9:16, 1:1, 4:3, 3:4, or adaptive
resolution	enum	-	Up to 1080p
seed	integer	random	Reproducible generation
watermark	boolean	-	Add watermark to output
image	file	-	First-frame image for image-to-video
end_image	file	-	Last-frame image for first+last frame control
reference_image	file	-	Reference image for reference-to-video
reference_image_2	file	-	Second reference image
reference_image_3	file	-	Third reference image
reference_video	file	-	Reference video
reference_audio	file	-	Reference audio

Search Seedance Apps

belt app list --search "seedance"

Related Skills

# Full platform skill (all 250+ apps)
npx skills add inference-sh/skills@infsh-cli

# All video generation models
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)
npx skills add inference-sh/skills@ai-image-generation

# AI avatars & lipsync
npx skills add inference-sh/skills@ai-avatar-video

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

Documentation

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