Version comparison
Kling 4.0 vs Kling 3.0
Kling 3.0 launched on January 31, 2026. Kling 4.0 was announced on September 28, 2026. Here is what changes between them, using only what Kling has published.
Kling 4.0 vs Kling 3.0 at a Glance
| Kling 3.0 | Kling 4.0 | |
|---|---|---|
| Released | January 31, 2026 | Announced September 28, 2026; Flash live, full model in October |
| Length per generation | 3–15 seconds | 30 seconds natively, plus video extension |
| Keyframes | Not published separately | Up to 10 keyframes per shot |
| References | No single published count | Up to 15 multimodal Omni References |
| Resolution | Up to 4K | Up to 4K with 10-bit HDR |
| Audio | Native audio generation | Stereo audio, more accurate lip sync across languages and accents |
| API | Available through Kling's API | Not yet published |
What the Changes Mean for Your Videos
One take instead of two
A 30-second generation covers a complete ad, demo or scene that used to need two 15-second clips stitched together.
More control over long shots
Up to 10 keyframes let you pin what the shot should show at key moments, so a long take stays where you planned it.
Consistent characters across references
With up to 15 image, video and audio references, the model can hold the same character, product and voice across a scene.
Footage ready for grading
Output up to 4K with 10-bit HDR gives an editor more color depth to work with when the clip goes into a grade.
Which One Should You Use?
Kling 3.0 is available through Kling's app and API today. Kling 4.0 Flash is limited to Ultra Yearly subscribers until the full release in October.
Try the Kling 4 AI studio