DocsSeedance 1.5 Pro
Model
seedance-1.5-pro
Customer-facing model guide for Seedance 1.5 Pro.
Model supplement for /unified-video/quote and /unified-video/generateScope: api.generate
Best for
Teams that want one clean text-to-video and image-to-video entry point.
Text-to-video
Image-to-video
Dynamic pricing by resolution, duration, and audio
What you can send
- Required: model, prompt
- Optional: images (0-2), aspectRatio, resolution, duration, fixedLens, generateAudio, nsfwChecker, projectId
- Do not send firstFrameUrl, lastFrameUrl, referenceImageUrls, referenceVideoUrls, referenceAudioUrls, returnLastFrame, or webSearch
Field rules
prompt
String length 3..2500.
images
0 images for text-to-video, 1-2 images for image-to-video.
aspectRatio
Supported: 1:1, 4:3, 3:4, 16:9, 9:16, 21:9, 2:3, 3:2.
resolution
Supported: 480p, 720p, 1080p.
duration
Supported: 4, 8, 12.
Pricing matrix
Resolution
Duration
No Audio
With Audio
480p
4s
5
10
480p
8s
10
20
480p
12s
14
28
720p
4s
10
20
720p
8s
20
40
720p
12s
30
60
1080p
4s
21
42
1080p
8s
42
84
1080p
12s
63
126
Frontend notes
- Keep price tied to duration, resolution, and audio.
- Hide advanced flags such as nsfwChecker unless needed.
- Seedance 2 and seedance-2-fast are currently disabled and should stay hidden.
Ready to test with your own key?
Create a general API key in Settings, then come back here to copy a request example.