The Kling 4.0 model built for faster generation and greater value. 3 to 20 second 720p videos from 17 credits per second — no subscription, just pay per use from 51 credits a clip.
Generate 720p videos of 3 to 20 seconds from a text prompt, guided by up to 10 reference images. Kling positions 4.0 Flash as the Kling 4.0 model built for faster generation and greater value — and on KLIFGEN it runs on the same credits as every other model, with a simple HTTP API included.
@image_1, @image_2…Faster generation at 17 credits per second.
According to Kling, 4.0 Flash is built for faster generation and greater value. On KLIFGEN it is billed at 17 credits/s at 720p, compared with 29 credits/s for Kling 4.0 — letting your team test more prompts, aspect ratios, and creative variations before committing to final renders.
Draft with Flash, finish with Kling 4.0 at 1080p.
Billed per second of finished video — no subscription, no monthly fee. Pick your length and you know the price before you press generate.
| Model | Per second | 5 seconds | 10 seconds | 15 seconds | 20 seconds |
|---|---|---|---|---|---|
| Kling 4.0 Flash (720p) | 17 credits | 85 credits | 170 credits | 255 credits | 340 credits |
| Kling 4.0 (720p) | 29 credits | 145 credits | 290 credits | 435 credits | 580 credits |
You pay for the length of the video you generate — nothing else. Credits never expire.
Base Package: 500 credits
Cost per Credit: $0.0100
Perfect for: Testing and small projects
Bonus: 50 extra credits
Cost per Credit: $0.0099
Perfect for: Regular content creation
Bonus: 2,500 extra credits
Cost per Credit: $0.0095
Perfect for: Professional projects
Bonus: 10,000 extra credits
Cost per Credit: $0.0091
Perfect for: High-volume production
Get bonus credits when you top up larger amounts. All pricing is transparent with no hidden fees.
Your credits work across every model on KLIFGEN — use whichever suits the shot.
17 credits per second at 720p. A 5-second clip is 85 credits, and a full 20-second video is 340 credits.
Flash is the faster, lower-cost tier. It outputs 720p video up to 20 seconds. Kling 4.0 adds 1080p and goes up to 30 seconds.
No. KLIFGEN is pay-per-use. You buy credits, you spend them on generations, and that's it. Credits never expire.
Yes. Every model on KLIFGEN, including Kling 4.0 Flash, has a simple HTTP API. Full documentation is in your profile once you create an account.
Fast 720p video from 51 credits a clip — no subscription, just credits.