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ModelVideoClosed

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 website
Free to try?No free plan
Can I sell what I make?Yes, on paid plans
Open or closedClosed
Skill neededNo setup

The facts, with sources

Open or closed
Closed
Only usable through the maker's app or API
No 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 service
In 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 setup
Our judgement, via the Kling AI web app.
source · checked 7 Nov 2026 · checked, but the page was unclear or partial
Made by
Kuaishou Technology
Press 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
Available
Launched 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

text to videoimage to video

Omni Reference takes up to 15 reference assets and 10 keyframes; start, middle and end frames on fal.
source · checked 7 Nov 2026 · checked, but the page was unclear or partial

Plans and prices

PlanPriceIncludes
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.

fal's prices. Kling's own credit cost per 4.0 clip not found on its site (page loads by script).
source · checked 7 Nov 2026 · checked, but the page was unclear or partial

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

fal

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

About this entry. Facts last checked 7 Nov 2026 against the maker’s own pages (each fact links to its source). Entry status: draft. Plain-English summary written by Plainly.

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