Video model · by ByteDanceFree
Seedance 2.5
Long shots with references and native audio. Makes 4–30 second clips with sound from text, a photo, start and end frames, or reference images and clips.
- Native audio
- Long shots
- References
- Editing
- Cinematic
- Image to video
- Text to video
From ≈ $0.195 a second · 19.5 credits
Specs
- Modes
- Text to video · Image to video · Start & end frames · References
- Duration
- 4–30 s, any whole second
- Resolution
- 480p · 720p · 1080p
- Aspect ratio
- adaptive · 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16
- Audio
- Native audio, made with the video
- Frames
- A start image + an optional end frame
- Reference files
- Up to 30 images · 10 videos · 10 audio clips
- File types
- PNG, JPEG, WEBP · up to 20 MB / MP4, WebM · up to 200 MB / MP3, WAV, M4A · up to 50 MB
- Tier
- Free — everyone can use it
Price
Pricing- From
- ≈ $0.195 / s19.5 credits a second
- 5 s video≈ $0.975
- 10 s video≈ $1.95
- 30 s video≈ $5.85
The studio shows the exact price before you generate. Failed runs are refunded.
API
Use Seedance 2.5 from code
Model id seedance. Same price and limits as the studio.
REST · POST /v1/jobs
curl -X POST "https://api.der.run/v1/jobs" \
-H "Authorization: Bearer $DER_API_KEY" \
-H "Idempotency-Key: $(uuidgen)" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance",
"params": {
"model_version": "2.5",
"mode": "text-to-video",
"duration": 5,
"prompt": "…"
}
}'
# then poll every 20 s until it’s finished
curl "https://api.der.run/v1/jobs/{id}" \
-H "Authorization: Bearer $DER_API_KEY"FAQ
About Seedance 2.5
How long can a Seedance 2.5 video be?
Any whole number of seconds from 4 to 30. Longer clips cost more — the studio shows the price first.
How long are my videos kept?
7 days. Keep the ones you want in your Library (up to 200) so they don’t expire.
Other video models
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Alibaba · Long single shots with reference imagesAlibabaFrom $0.09/sLong single shots with reference imagesNative audioLong shotsReferencesFrom $0.09/sMiniMax H3
MiniMax · Video with native audioMiniMaxFrom $0.135/sVideo with native audioNative audioReferencesCinematicFrom $0.135/s
Make your next clip
Seedance 2.5 · 4–30 s · from about $0.195 a second