Videofrom$0.1407 / s
Seedance 2.0 Fast
Seedance 2.0 FastGenerates video from text, an image, references · 480p to 720p · 4–15 s · native audio
text-to-videoimage-to-videoreference-to-video
curl -X POST https://api.open.sume.com/v1/video-router/generate \
-H "Authorization: Bearer $SUME_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"seedance-2-fast","prompt":"A cinematic tracking shot along a sunlit coastal road","duration":5,"resolution":"480p","aspect_ratio":"16:9","generate_audio":false}'1. Calling the API
Seedance 2.0 Fast has the model id seedance-2-fast. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| model | string | Yes | — | "seedance-2-fast" |
| prompt | string | Yes | — | What happens in the video. |
| image_url | string | No | — | First frame (HTTPS image). |
| end_image_url | string | No | — | Last frame (HTTPS image). |
| reference_image_urls | string[] | No | — | Reference images (HTTPS). |
| reference_video_urls | string[] | No | — | Reference videos (HTTPS). |
| duration | integer | No | 5 | Seconds, 4–15. |
| resolution | string | No | 480p | Output resolution. Options: 480p, 720p. |
| aspect_ratio | string | No | 16:9 | Frame shape. Options: auto, adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16. |
| generate_audio | boolean | No | false | Generate a soundtrack with the video. |
Pricing
Dollars per unit at each option: the serving route's cost × 1.25, rounded up to $0.0001. The estimate above is the exact charge.
| Option | Price |
|---|---|
| 480p | $0.1407 / s |
| 720p | $0.3024 / s |
More models by ByteDance
Price, resolution and duration show each model's full range.
| Model | Type | Price | Resolution | Duration |
|---|---|---|---|---|
| Seedance 2.5 | video | $0.2687 – $1.4216 / s | 480p – 1080p | 4 – 30 s |
| Seedance 2.0 Mini | video | $0.0879 – $0.1890 / s | 480p – 720p | 4 – 15 s |
| Seedance 2.0 | video | $0.1758 – $0.8505 / s | 480p – 1080p | 4 – 15 s |
| OmniHuman 1.5 | lipsync | $0.2000 / s | 720p – 1080p | 2 – 60 s |
| LatentSync | lipsync | $0.1250 / s | — | 2 – 60 s |
| Seedream 5.0 Lite | image | $0.0438 / image | — | — |
| Seedream 4.5 | image | $0.0500 / image | — |