Compare Video model comparison

Kling 3 vs Veo 3.1

Kling 3 and Veo 3.1 expose different resolution, duration, and audio behavior in Vizify's current generation catalog. This page lines up the parameters each model actually offers so you can pick one for your clip.

Capabilities reviewed 2026-08-16 · Evidence reviewed 2026-08-16

Try Kling 3 Try Veo 3.1
How this comparison was made

Method and test inputs

This comparison checks the current Vizify generation-parameter catalog and public model catalog for both models: resolution options, clip duration, audio behavior, and reference-image limits. It does not run independent generations to score motion quality, prompt adherence, or visual fidelity, and it does not reference any external benchmark.

  • Generation catalog video parameters for kling-3
  • Generation catalog video parameters for veo-3.1
  • Public model catalog entries for both models
  • Default video model configuration in app.yaml
Side by side

Kling 3 vs Veo 3.1

Criterion Kling 3 Veo 3.1
Default video model in Vizify Yes No
Maximum resolution Up to 4K (720p, 1080p, 4K) 720p (Vizify's current create contract advertises only the native 720p result)
Clip duration 3-15 seconds, adjustable Fixed 8 seconds
Audio Optional; off by default, can be turned on Included by default; Vizify's current parameter set does not expose an off toggle
Reference images 0-2 optional reference images 0-2 optional reference images
Aspect ratios 16:9, 9:16, 1:1 Auto, 16:9, 9:16
Choosing

Which one fits your task

Option A

Kling 3

Vizify's current default video model, with adjustable duration up to 15 seconds, resolution up to 4K, and optional audio.

  • Tasks where you want the option to add audio to the generated clip
  • A quick start using Vizify's current default video model
  • Very short clips down to a 3-second minimum duration

Choose Kling 3 if you need adjustable duration up to 15 seconds, resolution options up to 4K, or want audio off by default.

Try Kling 3 Kling 3 details
Option B

Veo 3.1

A video model in Vizify with native audio included by default and a fixed 8-second clip length.

  • Tasks that require audio included automatically without a manual toggle
  • Fixed 8-second clips for a consistent short-form length
  • Auto or vertical aspect-ratio framing for social clips

Choose Veo 3.1 if you want audio included automatically and a fixed 8-second clip is enough for your task.

Try Veo 3.1 Veo 3.1 details
Before you rely on this

Current limitations

  • This comparison is based on Vizify's generation-parameter catalog reviewed on 2026-08-16, not an independent test of motion quality, prompt adherence, or visual fidelity.
  • Veo 3.1's 720p figure reflects Vizify's current create-request contract; the underlying provider may expose upgrade operations that Vizify does not currently surface to this product.
  • Vizify sends each request to one selected model; it does not generate the same prompt with Kling 3 and Veo 3.1 in parallel or merge outputs.
  • Duration, resolution, and audio parameters are configured independently in Vizify's generation catalog and can change without updating this comparison.

Kling 3 and Veo 3.1 solve the video-generation task differently once you look past “text or image to video.” Kling 3 is Vizify’s current default, with a duration range from 3 to 15 seconds, resolution options up to 4K, and audio you can turn on or leave off. Veo 3.1 is more fixed: an 8-second clip at 720p with audio included automatically, and no audio toggle exposed in Vizify’s current parameter set.

That audio behavior is the sharpest difference for planning a task. If you need a silent clip, or want to decide audio on a per-request basis, Kling 3’s optional toggle fits. If you always want sound in the result without a separate step, Veo 3.1’s default-on audio removes that decision for you — but it also means you can’t opt out of audio through this product today.

Resolution and duration point the same direction: Kling 3 currently supports a wider range on both axes. Veo 3.1’s fixed 8-second, 720p output is a narrower but predictable target, which can be useful when a consistent clip length matters more than flexibility.

FAQ

Questions about Kling 3 and Veo 3.1

Does Veo 3.1 always include audio in Vizify?

Yes, based on Vizify's current generation catalog. Veo 3.1's audio parameter only allows the value true, so a generated clip includes audio by default and there is no off toggle in the current parameter set.

Can Kling 3 generate a clip without audio?

Yes. Kling 3's audio parameter allows both true and false, and defaults to false, so audio is off unless you turn it on.

Which model supports longer clips, Kling 3 or Veo 3.1?

Kling 3. Its duration parameter is a 3-to-15-second range. Veo 3.1's duration is fixed at 8 seconds in Vizify's current catalog.

Is Kling 3 the default video model in Vizify?

Yes. Kling 3 is marked as the default video-generation model in Vizify's current app profile and public model catalog.

Do Kling 3 and Veo 3.1 support the same reference-image limits?

Yes for the maximum. Both currently allow 0 to 2 optional reference images per generation in Vizify's parameter catalog.

Related

Keep comparing

Kling 3 model page

Full parameter detail for Kling 3, Vizify's current default video model.

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Veo 3.1 model page

Full parameter detail for Veo 3.1, including audio and duration behavior.

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Kling 3 vs Seedance 2

Compare Kling 3 against Seedance 2, a model with no audio option in Vizify.

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Video tools

Executable video-generation tools built on these models.

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All video models

Browse every video model currently available in Vizify.

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Vizify pricing

Review current access before generating a clip.

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Try either video model

Open Vizify and generate a clip with Kling 3 or Veo 3.1.

Open Vizify Browse all models