Seedance 1.5 Pro
Precise audio-visual sync & film-grade camera work
Try it
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You can fill this in now — signing in happens when you run it, and your inputs come with you.
At a glance
- Developer
- ByteDance Seed
- Can do
- Text to video, Image to video
- Credits per run
- 3 credits
- Typical time
- ~120s
- Added
- 2026-08-11
Parameters
What the model takes. The form above is generated from exactly this list, and the API accepts the same field names.
| Parameter | Type | Default | Range / options |
|---|---|---|---|
end_image_urlEnd image (optional) | Image upload | — | — |
image_urlrequiredStart image | Image upload | — | — |
promptPrompt | Long text | — | — |
aspect_ratioAspect ratio | Choice | 16:9 | 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 |
resolutionResolution | Choice | 720p | 480p · 720p · 1080p |
durationDuration (seconds) | Range | 5 | 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 |
seedSeed | Number | — | — |
generate_audioGenerate audio | On / off | No | — |
Use it from the API
The same run, as a request. Send your API key as a bearer token; poll the returned request_uid until it is done.
curl -X POST https://api.wisaven.com/v1/ai/async/tasks \
-H "Authorization: Bearer $WISAVEN_API_KEY" \
-H "X-App-Id: wisaven" -H "Content-Type: application/json" \
-d '{
"model": "seedance-1-5-pro",
"task": "text-to-video",
"input": {
"end_image_url": "https://…",
"image_url": "https://…",
"prompt": "your prompt here",
"aspect_ratio": "16:9"
}
}'Questions
What can Seedance 1.5 Pro do?
Text to video, Image to video. Fill in the parameters on this page to try it.
How many credits does Seedance 1.5 Pro cost?
About 3 credits per run, charged at the platform's live price when you run it. One credit balance covers every workspace.
How long does it take?
Around 120 seconds; heavier settings or a queue take longer, and the page shows progress.
Do I need an account, and who owns the output?
Browsing and filling in the form need no account; running it does (new accounts start with free credits). What you generate is yours, personally or commercially, subject to the terms.
Other models like this
Where this model is used: Video·All models