Models & parameters

Seedance 2.0Recommended

Latest-generation video generation model with multimodal reference support and rich generation capabilities.

Duration
4 – 15 sec
⊞Ratio
21:9 ~ 9:16
Resolution
480p / 720p / 1080p / 4K

Generation capabilities#

CapabilityDescription
Text-to-videoGenerate video from a text prompt alone
Image-to-video — first frameUpload an image as the first frame and generate the subsequent footage
Image-to-video — first & last frameUpload first and last frame images to generate a smooth transition video
Multimodal referenceImage reference, video reference, and combination references (image + audio, image + video, video + audio, image + video + audio)
Edit videoRe-edit and adjust a previously generated video
Extend videoExtend an existing video by generating additional footage
Generate video with audioGenerate video with sound effects or background music
Web-search enhancedCombine web search for real-time information to enhance content accuracy
Return last frameReturn the final frame after generation for seamless continuation

Aspect ratios#

21:916:94:31:13:49:16

Output specifications#

ParameterValue
Output resolution480p / 720p / 1080p / 4K
Output duration4 – 15 seconds
Seedance 2.0 Fast / Mini support 480p / 720p only.

Other video models#

ModelDurationNotes
Kling 3.0 OmniDefault 5 s / ≤ 10 s with a reference video / otherwise 3 – 15 sMultimodal all-in-one video model; supports 16:9 / 9:16 / 1:1, outputs 720p / 1080p.
Gemini Omni Flash3 – 10 sFixed 720p, 16:9 / 9:16 only, ratio required; supports source-video editing.

Gemini Omni Flash source-video editing#

Edit by uploading a source video of ≤ 3 s; output is fixed at 3 s and 720p. The aspect ratio follows the source video, so you do not need to set it. A first frame can coexist with reference images here.