Video
Seedance 2 Fast
Generate short videos with optional synchronized sound using Seedance 2 Fast.
- Text to video
- Image to video
Sign in to create. Review the credit cost in the studio before running.
Catalog preview for Seedance 2 Fast. Review your own result before publishing.
A starting point.
Explore action and camera ideas before assembling a longer edit.
Before you publish.
Review shot transitions, object continuity and any dialogue timing throughout the clip.
Review the quote before running. A failed generation releases its reserved credits. Download the results you want to keep; stored media is retained for 30 days.
Settings and model questionsCheck the available settings and guidance when preparing your input.
Inputs and settings
Text mode requires prompt. Image mode adds image_url and optional end_image_url; reference mode accepts up to nine image_urls.
Choose 4–15 seconds and 480p or 720p. Set aspect_ratio and generate_audio; inspect the chosen codec and bitrate_mode in the complete form.
Inputs, all modes and APIModel IDs, current input limits and the API generation workflow.
Supported inputs
These fields come from the current studio form for bytedance/seedance-2.0/fast/text-to-video. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | — |
aspect_ratio | Text | Optional | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 |
bitrate_mode | Text | Optional | — |
codec | Text | Optional | — |
duration | Text | Optional | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
end_user_id | Text | Optional | — |
generate_audio | On/off | Optional | — |
resolution | Text | Optional | 480p, 720p |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Other modes and their inputs
Open the operation you need and check its inputs. Settings from one mode do not automatically apply to another.
image-to-video (image-to-video)bytedance/seedance-2.0/fast/image-to-video
Supported inputs
These fields come from the current studio form for bytedance/seedance-2.0/fast/image-to-video. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
image_url | Text | Required | — |
prompt | Text | Required | — |
aspect_ratio | Text | Optional | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 |
bitrate_mode | Text | Optional | — |
codec | Text | Optional | — |
duration | Text | Optional | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
end_image_url | Text | Optional | — |
end_user_id | Text | Optional | — |
generate_audio | On/off | Optional | — |
resolution | Text | Optional | 480p, 720p |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
image-to-video (reference-to-video)bytedance/seedance-2.0/fast/reference-to-video
Supported inputs
These fields come from the current studio form for bytedance/seedance-2.0/fast/reference-to-video. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | — |
aspect_ratio | Text | Optional | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 |
bitrate_mode | Text | Optional | — |
codec | Text | Optional | — |
duration | Text | Optional | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
end_user_id | Text | Optional | — |
generate_audio | On/off | Optional | — |
image_urls | List | Optional | Max. items: 9 |
resolution | Text | Optional | 480p, 720p |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Use Seedance 2 Fast through the API.
Start with this model ID for the endpoint featured on this page:
bytedance/seedance-2.0/fast/text-to-video
Input requirements belong to this model ID. Check a different mode’s schema separately when switching modes.
Available modes
- text-to-video ·
bytedance/seedance-2.0/fast/text-to-video - image-to-video (image-to-video) ·
bytedance/seedance-2.0/fast/image-to-video - image-to-video (reference-to-video) ·
bytedance/seedance-2.0/fast/reference-to-video
Check the current model schema for supported inputs and options. Other tasks may use different model IDs.
From quote to result.
Request a credit quote for your input and settings before submitting a generation. A sample output or the price of another model is not a quote for your request.
Follow the generation workflow, then poll the job for its status and result. The API and studio use the same balance.