KuaishouCheapest Kling 4.0 API: 3 Providers Compared (November 2026)
The cheapest Kling 4.0 API we found is CheaperGen, at $0.1486/s (720p). That's 5% below Kuaishou's official $0.157/s, and below the 2 other platforms compared on this page. Same price in the Studio and the API, no subscription needed, and failed generations are refunded.
- Cheapest clip
- $0.45
- 3 s · 720p
- Per second from
- $0.1486
- 720p
- Below official
- up to 5%
- Subscription
- Optional
- pay per use
Try it
Try Kling 4.0 at its lowest price
Pre-set to the cheapest settings (720p, 3 s). The price is on the button; failed runs are refunded.
Price comparison
Where Kling 4.0 costs less
Price per second here, at the official price and on popular platforms that charge more.
| Where | 720p | 1080p |
|---|---|---|
CheaperGen live price | $0.1486/s−5% | $0.2226/s−5% |
Kuaishou (official) official list price | $0.157/s | $0.235/s |
fal | $0.157/s | $0.235/s |
Replicate | $0.157/s | $0.235/s |
Per second at 16:9, no reference video. Official price: Kling developer API list price for Kling 4.0, kling.ai/dev/pricing (1 unit = $0.157 / s at 720p, 1.5 units = $0.235 / s at 1080p; with input video $0.094 / $0.141 per second of output plus the longer of the output and the input video; audio always on), verified October 18, 2026. Other platforms: public list prices, checked November 8, 2026; not every platform is listed. Sources: fal (fal.ai/models/kling/v4/text-to-video), Replicate (replicate.com/kwaivgi/kling-v4.0). Ours are live.
Generating at volume? The Pro and Max monthly plans lower the price on most models while they're active, and teams with larger volumes can talk to us about volume pricing.
Cheapest settings
The least you can pay for a Kling 4.0 clip
The shortest clip at each resolution. Draft here, then render the keeper at the resolution you deliver.
| Resolution | Length | Official | CheaperGen |
|---|---|---|---|
| 720p | 3 s | $0.45 | |
| 1080p | 3 s | $0.67 |
Try it in the Studio — the price is on the Generate button before you run. Totals for real projects: Kling 4.0 API Cost.
Same family
Cheaper Kling models
Lower starting prices in the same family; quality, speed and features differ.
Why it costs less
The official Kling 4.0, for less
The model and its output are the same; the cost of serving it is lower. How our inference works.
Official partnerships
Direct partnerships with the official model labs give us their lowest partner pricing on official models like Kling 4.0.
Our own GPU inference
For open-source models, our own GPU inference — optimized kernels, warm pools and per-model tuning — makes generation several times faster and lowers the cost further.
Automatic routing
Every Kling 4.0 request is routed to the most cost-effective healthy route, with live health checks and failover.
FAQ
Cheapest Kling 4.0: questions
For AI agents and LLMs: llms.txt has this model's live prices, the price comparison and the API reference in Markdown.
Kling 4.0 is developed by Kuaishou. CheaperGen provides API access and does not own the model. Trademarks belong to their respective owners.