Seedance 2.5
AI generationByteDanceLong-form video in a single pass: up to 30 seconds with native audio, no stitching. Wire nothing for text, a start frame (and optionally a last frame) to animate, or a reference board of up to 30 images, 10 videos and 10 audio files.
- Runs
- On our servers
- Typical time
- 90-600s
- Inputs
- 52
- Outputs
- 1
Inputs
| Port | Type | ID |
|---|---|---|
| Prompt | text | prompt-in |
| First Frame / Ref 1optional | image | image-in |
| Last Frameoptional | image | image-2 |
| Video 1optional | video | video-in |
| Video 2optional | video | video-2 |
| Video 3optional | video | video-3 |
| Video 4optional | video | video-4 |
| Video 5optional | video | video-5 |
| Video 6optional | video | video-6 |
| Video 7optional | video | video-7 |
| Video 8optional | video | video-8 |
| Video 9optional | video | video-9 |
| Video 10optional | video | video-10 |
| Audio 1optional | audio | audio-in |
| Audio 2optional | audio | audio-2 |
| Audio 3optional | audio | audio-3 |
| Audio 4optional | audio | audio-4 |
| Audio 5optional | audio | audio-5 |
| Audio 6optional | audio | audio-6 |
| Audio 7optional | audio | audio-7 |
| Audio 8optional | audio | audio-8 |
| Audio 9optional | audio | audio-9 |
| Audio 10optional | audio | audio-10 |
| Reference 2optional | image | image-3 |
| Reference 3optional | image | image-4 |
| Reference 4optional | image | image-5 |
| Reference 5optional | image | image-6 |
| Reference 6optional | image | image-7 |
| Reference 7optional | image | image-8 |
| Reference 8optional | image | image-9 |
| Reference 9optional | image | image-10 |
| Reference 10optional | image | image-11 |
| Reference 11optional | image | image-12 |
| Reference 12optional | image | image-13 |
| Reference 13optional | image | image-14 |
| Reference 14optional | image | image-15 |
| Reference 15optional | image | image-16 |
| Reference 16optional | image | image-17 |
| Reference 17optional | image | image-18 |
| Reference 18optional | image | image-19 |
| Reference 19optional | image | image-20 |
| Reference 20optional | image | image-21 |
| Reference 21optional | image | image-22 |
| Reference 22optional | image | image-23 |
| Reference 23optional | image | image-24 |
| Reference 24optional | image | image-25 |
| Reference 25optional | image | image-26 |
| Reference 26optional | image | image-27 |
| Reference 27optional | image | image-28 |
| Reference 28optional | image | image-29 |
| Reference 29optional | image | image-30 |
| Reference 30optional | image | image-31 |
Outputs
| Port | Type | ID |
|---|---|---|
| Video | video | video-out |
Settings
| Setting | Type | Default | Options |
|---|---|---|---|
| Duration (seconds)2.5 generates the whole thing in one pass. | slider | 8 | 4 to 30 |
| Aspect RatioOutput shape | select | 16:9 | 16:9 Landscape, 9:16 Portrait, 1:1 Square, 4:3 Standard, 3:4 Portrait, 21:9 Ultrawide |
| ResolutionSeedance 2.5 renders at 480p or 720p | select | 720p | 480p, 720p |
| AudioGenerate native audio track | select | off | Off, On |
Prompting
Describe the shot. Use timestamps (0-3s, 3-8s...) to lay out the story - 2.5 honours them. Bind every reference by upload order ("the knight in Image 1").
Maximum prompt length: 8247 characters.
What this connects into (16)
Computed from the port compatibility rules, so it stays correct as nodes change.
Node ID seedance-25. Open it in Studio with Tab, then type the name.