Kling v2.5 vs Veo 3
Direct answer: Kling v2.5 (Kuaishou) generates clips up to 15s. Veo 3 (Google) generates clips up to 8s.
Specification comparison
| Dimension | Kling v2.5 | Veo 3 |
|---|---|---|
| Max clip length | 15s | 8s |
| Duration options | 3-15s range | fixed set: 4, 6 or 8 seconds |
| Reference inputs | image-to-video with one input image (max 20 MB); multi-reference not documented | |
| Default duration | ||
| Auto duration | ||
| Resolutions | 720p, 1080p, 4K | 720p, 1080p |
| Aspect ratios | 16:9, 9:16, 1:1 | 9:16, 16:9 |
| Max prompt length | ||
| Prompt languages | not documented in the source we checked | English only (per Vertex AI docs) |
| Native audio | yes | yes |
Verified figures checked 2026-09-11. Source: Kling v2.5 model card. Source: Veo 3 docs.
How to choose between Kling v2.5 and Veo 3
Match the model to the constraint that binds your project first. If you need native synchronised audio and long reference chains, Seedance 2.0documents audio generation with up to 9 reference images. If your project needs clips longer than 15 seconds, neither a 15s ceiling nor an unverified one is a safe assumption — verify before committing to a shot plan.
For prompt structure itself, the transferable part is the shot description: subject, action, camera movement, lighting and duration. That framing works across text-to-video models, which is why the 5,926 structured cases here remain useful even when a project moves to a different model.
Frequently asked
Is Kling v2.5 better than Veo 3?
Neither is universally better. They differ in maximum clip length, native audio, reference limits and resolution support — the right choice depends on which of those constrains your project. We publish only verified specifications and mark anything we have not confirmed.
Can I reuse a Kling v2.5 prompt with Veo 3?
The shot structure transfers; the parameters may not. Re-check duration against the target model's ceiling, confirm the aspect ratio is supported, and drop reference syntax the target does not understand.