Kling V4 vs LTX-2.3 Fast

Kling V4 and LTX-2.3 Fast differ on 5 specifications — from what each one costs to which inputs it accepts. Every value below is read from the live model catalog, so it stays current as new versions ship.

Kling AI

Kling V4

Kling 4.0 video edit: restyle a clip or swap its subjects with reference images, keeping its motion

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Lightricks

LTX-2.3 Fast

Faster & Cheaper

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Side-by-side specs

How Kling V4 and LTX-2.3 Fast compare when used for First & Last Frame Video.

Kling V4 versus LTX-2.3 Fast specifications for First & Last Frame Video
SpecificationKling V4LTX-2.3 Fast
Starting pricefrom 22 credits per secondfrom 9 credits per second
VersionsStandardFast
Video resolution720p, 1080p1080p, 1440p, 2160p
Aspect ratiosNot applicable16:9, 9:16, auto
Duration3–30s6, 8, 10
Text promptYesYes
Start frameYesYes
End frameYesYes
Reference imagesYesYes
Try both in the First & Last Frame Video generator

Frequently asked questions

What's the difference between Kling V4 and LTX-2.3 Fast?
Kling V4 and LTX-2.3 Fast differ on 5 tracked specifications, covering price, output resolution, duration limits and which inputs each one accepts. Both are available on ZOOOP for First & Last Frame Video, so you can run the same prompt through each and compare the results directly.
Is Kling V4 or LTX-2.3 Fast cheaper?
LTX-2.3 Fast starts at 9 credits, against 22 for Kling V4. Both are starting prices: the final cost scales with resolution, duration and any extra options you turn on.
Can I use both Kling V4 and LTX-2.3 Fast on ZOOOP?
Yes. One ZOOOP account gives you both Kling V4 and LTX-2.3 Fast — plus every other model in the catalog — on the same credits, with no separate subscription per provider. You can switch models mid-project and keep your prompt.

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Specifications are read from the live ZOOOP model catalog and change as providers ship new versions. Credit figures are starting prices — the final cost depends on resolution, duration and the options you pick.