Plainly Guide › Video › Kling 4.0
Kling 4.0
Kuaishou's October 2026 video model behind the Kling AI app. It makes clips of up to 30 seconds in one go from a description, a photo or up to 15 reference pictures, with steadier motion than earlier Kling models. Closed: use it in Kling AI or on fal.
Go to Kling 4.0’s websiteThe facts, with sources
- Open or closed
- ClosedOnly usable through the maker's app or APINo weights released.source · checked 7 Nov 2026 · checked, but the page was unclear or partial
- Licence
- Kling AI Terms of Use (The maker's own terms)source · checked 12 Oct 2026 · checked, but the page was unclear or partial
- Can I sell what I make?
- Yes, on paid plans (from the Standard plan)Follows the Kling AI app's plans, as for earlier Kling models: free output is not for commercial use. fal tags its Kling 4.0 endpoint for commercial use.source · checked 7 Nov 2026 · checked, but the page was unclear or partial
- Cost
- No free plan.Plans below.
- How you use it
- In your browser, Maker's own API, Through another serviceIn the Kling AI app; on fal; Kling's own API pricing not confirmed for 4.0.source · checked 7 Nov 2026 · checked, but the page was unclear or partial
- Skill needed
- No setupOur judgement, via the Kling AI web app.source · checked 7 Nov 2026 · checked, but the page was unclear or partial
- Made by
- Kuaishou TechnologyPress release datelined Hong Kong; the Kling AI app is run by Kling AI Pte. Ltd. (Singapore).source · checked 7 Nov 2026 · checked on the maker's own page
- Status
- AvailableLaunched 15 Oct 2026; a Flash version opened in early access on 28 Sep 2026.source · checked 7 Nov 2026 · checked on the maker's own page
What you can make with it
- A video, from a description (main use)
- A video, by bringing a photo to life
- A picture, the same character or style across many images
text to videoimage to video
Plans and prices
| Plan | Price | Includes |
|---|---|---|
| fal, 720p | $0.157 per seconds of video | Commercial use: Yes |
| fal, 1080p | $0.235 per seconds of video | Commercial use: Yes |
Some plans are not listed here; see the source for the full list.
Rough cost of 5 seconds of 720p video: about $0.79 / £0.59 (estimate, worked out by Plainly, not a price the maker publishes). $0.157 per second x 5 = $0.785 on fal. GBP at 0.75 = 0.59.
Rights and safety
- Limits
- note: 3 to 30 seconds; 720p or 1080p on fal.source · checked 7 Nov 2026 · checked on the maker's own page
Related
Where you can run it
Other options for “A video, from a description”
Adobe Express, Adobe Firefly, Adobe Premiere, Akool, Animoto, Arcads, Canva AI (Magic Studio), CapCut, Civitai, CogVideoX, ComfyUI, Creatify, DeeVid AI, DomoAI, Dreamina, Dzine, fal, Filmora, FlexClip, Fliki, FLORA, FLUX 3, Fotor, Gemini Omni 1.2 Flash
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