Seedance 2 Fast
ByteDance
seedance-2-fastSeedance 2 fast tier — quicker generation, ~20% cheaper than Pro. Native audio bundled. Best for short social clips.
Best for: Social shorts, UI motion, rapid iteration, product demos
At a glance
Price
$0.3266 / sec
Default duration
5s (max 10s)
Quality tier
strong
Per second of generated video. Failed jobs are refunded in full.
Capabilities
Video generation
Async POST /v1/videos/generations + poll
Image-to-video
Pass an image_url to animate a still
Native audio
Synced ambient + dialogue track in the rendered mp4
Quick start
Get API Keycurl https://kymaapi.com/v1/videos/generations \
-H "Authorization: Bearer $KYMA_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance-2-fast",
"prompt": "A wave breaking on a rocky shore at golden hour, cinematic",
"duration": 5
}'
# Response: { "id": "vid_...", "status": "queued" }
# Poll: GET /v1/jobs/{id} until status="succeeded"Details
CreatorByteDance
Model IDseedance-2-fast
Quality tierstrong
Cost tierbalanced
Input modalityText, Image
Output modalityVideo, Audio
Try Seedance 2 Fast now
$0.50 free credits on signup. No credit card required.