Seedance

Mode: video · Models: 8

Vendor: BytePlus Seedance · Official API docs: ModelArk

Seedance 2.0 (by ByteDance) is a high-quality video model with reference-image and keyframe control, native audio, and resolutions up to 1080p. It comes in a standard and a Fast variant, each with dedicated video-edit and video-extend workflows.

Models

id	Name	Input type
seedance-2.0	Seedance 2.0	t2v
seedance-2.0-fast	Seedance 2.0 Fast	t2v
seedance-2.0-video-edit	Seedance 2.0 Video Edit	v2v
seedance-2.0-fast-video-edit	Seedance 2.0 Fast Video Edit	v2v
seedance-2.0-video-extend	Seedance 2.0 Video Extend	v2v
seedance-2.0-fast-video-extend	Seedance 2.0 Fast Video Extend	v2v
seedance-1.5-pro	Seedance 1.5 Pro	t2v
seedance-i2v	Seedance I2V	i2v

CLI

# text-to-video with audio
gen-ai generate -m seedance-2.0 \
  -p "a fox running through autumn leaves, cinematic, shallow depth of field" \
  --ar 16:9 -r 1080p -d 8 --audio-gen

# keyframe control: morph between two stills
gen-ai generate -m seedance-2.0 -p "smooth morph" --start-frame ./a.jpg --end-frame ./b.jpg

# restyle an existing clip
gen-ai generate -m seedance-2.0-video-edit -p "claymation style" --video ./clip.mp4

MCP

{ "name": "picsart_generate",
  "arguments": {
    "model": "seedance-2.0",
    "prompt": "a fox running through autumn leaves",
    "aspectRatio": "16:9",
    "resolution": "1080p",
    "duration": 8,
    "generateAudio": true
  } }

Parameters

Full parameter surface for every model, sourced from gen-ai models info <id> --json. CLI flags show the primary short form; the canonical --kebab-case long form always works too.

seedance-2.0 — Seedance 2.0

Try seedance-2.0 in Playground ↗

Input type: t2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p · 1080p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 10)
generateAudio	--audio-gen	boolean	true · false (default false)
returnLastFrame	--return-last-frame	boolean	true · false (default false)
imageUrls	-i	file	image (up to 9)
videoUrls	--video-urls	file	video (up to 3)
audioUrls	--audio-urls	file	audio (up to 3)
startFrame	--start-frame	file	image
endFrame	--end-frame	file	image

seedance-2.0-fast — Seedance 2.0 Fast

Try seedance-2.0-fast in Playground ↗

Input type: t2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 10)
generateAudio	--audio-gen	boolean	true · false (default false)
returnLastFrame	--return-last-frame	boolean	true · false (default false)
imageUrls	-i	file	image (up to 9)
videoUrls	--video-urls	file	video (up to 3)
audioUrls	--audio-urls	file	audio (up to 3)
startFrame	--start-frame	file	image
endFrame	--end-frame	file	image

seedance-2.0-video-edit — Seedance 2.0 Video Edit

Try seedance-2.0-video-edit in Playground ↗

Input type: v2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p · 1080p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 5)
generateAudio	--audio-gen	boolean	true · false (default false)
returnLastFrame	--return-last-frame	boolean	true · false (default false)
videoUrl	--video	file	required video
imageUrls	-i	file	image (up to 9)

seedance-2.0-fast-video-edit — Seedance 2.0 Fast Video Edit

Try seedance-2.0-fast-video-edit in Playground ↗

Input type: v2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 5)
generateAudio	--audio-gen	boolean	true · false (default false)
returnLastFrame	--return-last-frame	boolean	true · false (default false)
videoUrl	--video	file	required video
imageUrls	-i	file	image (up to 9)

seedance-2.0-video-extend — Seedance 2.0 Video Extend

Try seedance-2.0-video-extend in Playground ↗

Input type: v2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p · 1080p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 15)
generateAudio	--audio-gen	boolean	true · false (default false)
videoUrls	--video-urls	file	required video (up to 3)

seedance-2.0-fast-video-extend — Seedance 2.0 Fast Video Extend

Try seedance-2.0-fast-video-extend in Playground ↗

Input type: v2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p (default 720p)
duration	-d	enum	4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 (default 15)
generateAudio	--audio-gen	boolean	true · false (default false)
videoUrls	--video-urls	file	required video (up to 3)

seedance-1.5-pro — Seedance 1.5 Pro

Try seedance-1.5-pro in Playground ↗

Input type: t2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p (default 720p)
duration	-d	enum	4 · 5 · 8 · 10 · 12 (default 5)
generateAudio	--audio-gen	boolean	true · false (default false)
startFrame	--start-frame	file	image
endFrame	--end-frame	file	image

seedance-i2v — Seedance I2V

Try seedance-i2v in Playground ↗

Input type: i2v

Param	CLI flag	Type	Values
prompt	-p	text	required
aspectRatio	--ar	enum	16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 · adaptive (default 16:9)
resolution	-r	enum	480p · 720p · 1080p (default 720p)
duration	-d	enum	5 · 10 (default 5)
startFrame	--start-frame	file	required image

Notes: The edit / extend variants take a videoUrls input.

Pricing

gen-ai pricing seedance-2.0 -d 8 -r 1080p

Cost scales with duration, resolution, and audio.