AI video model comparison
Kling 4.0 vs Seedance 2.5
Kling 4.0 (by Kuaishou) and Seedance 2.5 (by ByteDance) are both in the Forgeborn video studio. This page puts their settings, inputs and credit prices side by side, straight from the Forgeborn catalog.
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Side by side
| Setting | Kling 4.0 | Seedance 2.5 |
|---|---|---|
| Developer | Kuaishou | ByteDance |
| Length | 3 to 30 seconds, in 1-second steps | 4 to 30 seconds, in 1-second steps |
| Resolution | 720p, 1080p | 480p, 720p, 1080p |
| Aspect ratios | 16:9, 9:16, 1:1, 21:9 | Auto, 1:1, 3:4, 4:3, 2:3, 3:2, 9:16, 16:9, 5:4, 4:5, 21:9 |
| Inputs | Text prompt, Up to 10 images, up to 5 videos | Text prompt, Up to 30 images, up to 10 videos, up to 10 audio files |
| Frames | Start, end and up to 8 middle frames | No |
| Audio | Always included | Optional (same price) |
| Credits per clip | From 9 credits (3 s 720p) | From 10 credits (4 s 480p) |
| Plans | Basic, Creator and Pro | Basic, Creator and Pro |
Credits are Forgeborn credits; the studio shows the exact cost before every generation. Full price tables are on each model’s page.
Which one fits
- Middle frames: Kling 4.0 takes frames between the start and the end.
- Reference videos: Seedance 2.5 takes up to 10, the other up to 5.
- Lower starting price: Kling 4.0 (9 credits vs 10 credits).
- Both run in the same Forgeborn studio with the same credits, so you can try one, then the other, on the same prompt.
See the full details
Kling 4.0Seedance 2.5