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Model comparisons

Kling Avatar 2.0 vs Lip Sync

Kling Avatar 2.0 or Lip Sync, tier by tier: matched prices, request fields, limits and the content policy measured on each.

Kling Avatar 2.0

Kling Avatar 2.0 talking avatar turns one portrait and an audio file into a clip of that person speaking or singing it. Render at 720p or 1080p; the clip length follows your audio, up to about 5 minutes.

View model details →View sample outputs →

Lip Sync

Lip Sync redraws the mouth of the person in a video to match a new speech track of 3 to 60 seconds, leaving performance, lighting and framing as shot. It returns an MP4 with your audio, keeping resolution up to 720p.

View model details →View sample outputs →

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The short answer

Start with the input you have, the result you want and your budget. These are the differences that affect that choice.

  • These tools produce different results. Choose the operation you need first; a lower price does not make one a substitute for the other.

These tools produce different results. Choose the operation you need first; a lower price does not make one a substitute for the other.

Current price

Price at the same setting

A start price answers a different question than the one you have. These are the tiers both models publish, matched setting for setting, in US dollars per billed unit with no conversion step in between.

These two bill on different tiers, so there is no row to line up. Each one's own published tiers are listed here instead.

Kling Avatar 2.0: 720p $0.051 / output seconds · 1080p $0.102 / output seconds

Lip Sync: $0.012 / output seconds

About this comparison

Controls and limits

Every row here is read from the JSON Schema the endpoint validates against, so it matches what the API will really accept rather than a feature list written by hand.

Swipe horizontally to compare all fields.

Kling Avatar 2.0 vs Lip Sync
Controls and limitsKling Avatar 2.0Lip Sync
Supported taskstalking-avatarlip-sync
Resolution tiers720p · 1080pNot offered
High-resolution tierYesNo
ExecutionSubmit, then poll or take the callbackSubmit, then poll or take the callback
Request timeout60 minutes120 minutes
AvailabilityLiveLive

Do low-filter models allow every request?

Content policy, side by side

Two separate facts sit behind these labels. The first is what we do, which is nothing: no platform content filter, and no maturity flag to set on a request. The second is what each model does on its own, and that is the only part that varies between these two.

Kling Avatar 2.0

Filtered

This model refuses requests beyond its own limits outright. Measured, not assumed — models we have not measured carry no label at all.

Use these content labels to shortlist models, then open each model page for available examples and content-test details.

The label never changes your obligations. Age, consent, real-person likeness and the law where you operate stay with you, and SpicyAPI does not inspect each request.

Can I swap the model ID without changing the request body?

Request body, field by field

The task lifecycle is shared; the body is not. Each endpoint publishes its own JSON Schema and the API validates against that, so this is the list to reconcile before a switch.

  • 1 fields appear in both request bodies under the same names. audio_url
  • Only Kling Avatar 2.0 accepts: image_url, prompt, resolution.
  • Only Lip Sync accepts: video_url.
  • Kling Avatar 2.0 requires audio_url, image_url.
  • Lip Sync requires audio_url, video_url.
  • Both reject unknown fields outright, so a parameter left over from the other model comes back as a validation error instead of being quietly ignored.

How to choose

How to choose

High-resolution delivery

Kling Avatar 2.0 supports a high-resolution option.

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Moving from one to the other

The model identifiers are kling/avatar-2.0/talking-avatar and spicyapi/lip-sync-v1/lip-sync, and both go in the same field of the same request.

Both run the same way: submit the task, then poll it or take the callback. Queueing and retry logic carry over unchanged.

Both use the same submit-and-track flow, but their required inputs may differ. Check each model page before switching.

One key, one balance, one set of spend caps. Both bill to the same account in US dollars, and the per-key daily, monthly and lifetime limits apply to whichever one you call.

Questions developers ask

Which is cheaper, Kling Avatar 2.0 or Lip Sync?

Which is cheaper, Kling Avatar 2.0 or Lip Sync?

These tools produce different results. Choose the operation you need first; a lower price does not make one a substitute for the other. Prices may change; check the estimate shown for your actual settings before submitting.

How long can a single request run?

Kling Avatar 2.0 allows 60 minutes per task and Lip Sync allows 120. Those are ceilings rather than typical times — most requests finish far sooner — but they are what your own client timeout has to survive.

Prices and capabilities shown here come from the current public model catalogue. Check each model page for its latest inputs and examples.