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Side-by-side facts: capabilities, typical speed and credit cost. Quality is subjective, so the best test is to try your own prompt on two models.
Kuaishou Kling 4 | Kuaishou Kling 3.0 | ByteDance Seedance 2.5 | |
|---|---|---|---|
| Availability | Available | Available | Available |
| Known for | Shots up to 30 seconds · Sound included | Natural human and animal motion · Long shots up to 15 seconds | Finest Seedance detail · Sound at no extra cost |
| Generation types | Text to Video, Image to Video | Text to Video, Image to Video | Text to Video, Image to Video |
| Resolutions | 720p, 1080p | 720p, 1080p | 480p, 720p, 1080p |
| Duration | 3–30 s | 3–15 s | 4–15 s |
| Aspect ratios | 16:9, 9:16, 1:1, 21:9 | 16:9, 9:16, 1:1 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 |
| Audio | Always | Optional | Optional |
| End frame | Yes | Yes | Yes |
| Reference images | — | — | — |
| Typical generation time | About 2–4 minutes | About 1–3 minutes | About 2–5 minutes |
| Cheapest generation | 144 credits | 75 credits | 268 credits |
| 5 s at 720p | 240 credits | 125 credits | 710 credits |
| Use Kling | Use Kling | Use Seedance |