Not available yet. Kuaishou has opened a limited Kling 4.0 Flash beta to Kling Ultra annual subscribers; the full release is planned for October 2026. No API offers Kling 4.0 yet, including us.
Last checked: September 30, 2026.
| Max length per generation | 30 seconds |
|---|---|
| Video extension | Up to 2 minutes (listed as coming soon) |
| Reference inputs | Up to 15 (images, video clips and voice) |
| Keyframe control | Up to 10 keyframes |
| Resolution | Up to 4K, with 10-bit HDR listed as coming soon |
| Audio | Stereo sound with lip sync |
| Early access | Kling 4.0 Flash, for Kling Ultra annual subscribers, from Sep 28, 2026 |
| Full release | October 2026 (no exact date announced) |
Flash is the lighter model in the Kling 4.0 family and the only one open so far, to a limited group of subscribers. Neither is available through an API yet.
| Kling 4.0 Flash | Kling 4.0 | |
|---|---|---|
| Length per generation | 3 to 20 seconds | 3 to 30 seconds |
| Resolution | 720p | 720p, 1080p and 4K |
| Color | 8-bit SDR | 10-bit HDR (listed as coming soon) |
| Built for | Fast, frequent drafts at lower cost | Longer, higher-end shots |
| Access | Kling Ultra annual subscribers, since Sep 28, 2026 | October 2026, no exact date |
We'll add Kling 4.0 as soon as it's available through an API, on the same credits as every other model. One email when it opens, nothing else.
| Kling 3.0 on this site | Kling 4.0 (announced) | |
|---|---|---|
| Length per clip | 5 or 10 seconds | Up to 30 seconds |
| Resolution | 720p or 1080p | Up to 4K |
| Audio | Silent | Stereo with lip sync |
| Keyframes | First frame from an image | Up to 10 |
| Available here | Yes, on paid plans | Not yet |
Want to start now? The generator below runs Kling 3.0, the current Kling model. It is not Kling 4.0.
Kling 3.0: 35 credits per generation · Paid plans only
Kling 3.0 is the current model, available now. See the Kling 3.0 page. In a hurry? Kling 3.0 Turbo is the speed-tuned version at 45 credits per clip, in the same model menu. About Kling 3.0 Turbo.
Kuaishou has said October 2026 for the full release, without an exact date. A faster Kling 4.0 Flash has been in limited beta for Kling Ultra annual subscribers since September 28, 2026.
Not yet. No API offers Kling 4.0 so far, so no site built on one can run it either. Leave your email above and we'll send one message the day it opens here. Kling 3.0, the current Kling model, is available now.
As announced: up to 30 seconds in one generation, up to 10 keyframes, up to 15 reference inputs (images, video clips and voice), up to 4K output and stereo sound. Kuaishou also lists video extension up to 2 minutes and 10-bit HDR as coming soon.
The faster, lower-cost member of the Kling 4.0 family, opened first to Kling Ultra annual subscribers on September 28, 2026. As announced it makes 3 to 20 second clips at 720p in 8-bit SDR. The full Kling 4.0 goes to 30 seconds and 4K, and is planned for October.
No. Kling is a Kuaishou product. This site is independent: it reaches video models through an API and bills per clip in credits.