Which should you pick?
Kling O1 Image to Video is the cheaper job: 45-90 credits against 50-100 credits for Seedance 1 Pro Fast. Those are the credits one complete generation costs, not a headline rate, so they are directly comparable even though the two models bill differently.
At their most expensive settings the gap widens: Seedance 1 Pro Fast tops out at 100 credits a job versus 90, driven by clip length.
Seedance 1 Pro Fast supports more aspect ratios (6: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16), giving it more format flexibility.
What a job costs
Seedance 1 Pro Fast
50-100 credits
It bills per 5 seconds of output, and the price moves with clip length.
- Price50 credits
Kling O1 Image to Video
45-90 credits
It bills a base charge plus a per-second rate, and the price moves with clip length.
- First 5s45 credits
- Each extra second9 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Seedance 1 Pro Fast | Kling O1 Image to Video |
|---|---|---|
| Provider | ByteDance | Kling |
| Cost per job | 50-100 credits | 45-90 credits |
| Billing | per 5 seconds of output | a base charge plus a per-second rate |
| Max resolution | 1080p | — |
| Aspect ratios | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 | — |
| Durations | 5s, 10s | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s |
| Frame rates | — | — |
| Qualities | 720p, 1080p | — |
| Requires starting image | Yes | Yes |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | Unranked | Unranked |
| Released | Jun 10, 2025 | Nov 30, 2025 |
What each one does that the other doesn't
Only Seedance 1 Pro Fast
Nothing the other one doesn't also list.
Only Kling O1 Image to Video
Nothing the other one doesn't also list.
Both list: image to video, image to video.
Frequently asked questions
Which is cheaper, Seedance 1 Pro Fast or Kling O1 Image to Video?+
Kling O1 Image to Video is cheaper per job: 45-90 credits against 50-100 credits for Seedance 1 Pro Fast.
What can Seedance 1 Pro Fast do that Kling O1 Image to Video can't, or vice versa?+
Nothing in the catalog data separates them on capability — both list image to video, image to video.
How do Seedance 1 Pro Fast and Kling O1 Image to Video bill?+
Seedance 1 Pro Fast bills per 5 seconds of output, and its price moves with clip length. Kling O1 Image to Video bills a base charge plus a per-second rate, and its price moves with clip length. Both are charged in Versely credits.
How long a clip can Seedance 1 Pro Fast and Kling O1 Image to Video generate?+
Seedance 1 Pro Fast supports 5s, 10s; Kling O1 Image to Video supports 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s.
Try both inside Versely
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