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
Seedance 2.0 Fast	bytedance/seedance-2-0-fast	Faster generation, up to 720p
Seedance 2.0 Studio	bytedance/seedance-2-0-studio	Quality + private asset library for portrait consistency
Seedance 2.0 Studio Fast	bytedance/seedance-2-0-studio-fast	Fast + private asset library for portrait consistency

All models support text-to-video, image-to-video, multimodal reference-to-video, and synchronized audio generation. Studio variants automatically upload reference images to the BytePlus private virtual portrait library for enhanced character consistency - particularly useful for faces and branded characters.

Modes

The model determines the generation mode from your inputs. These modes are mutually exclusive - use either first-frame/last-frame OR reference inputs, not both.

Mode	Inputs	Description
Text-to-Video	prompt only	Generate video from text description
Image-to-Video	prompt + image	Animate a still image (first frame)
First+Last Frame	prompt + image + end_image	Control start and end frames
Multimodal Reference	prompt + reference_images/reference_videos/reference_audios	Guide generation with reference material

Examples

Text-to-Video with Audio