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Model comparisons

LTX-2 19B vs LTX-2 19B LoRA

At 720p, LTX-2 19B costs 20% less than LTX-2 19B LoRA. Tier prices, request fields and limits side by side.

LTX-2 19B

LTX-2 19B image-to-video animates your photo into a 5 to 20 second clip with a stereo soundtrack, at 480p, 720p or 1080p in the photo's own shape. Describe the motion and the sound; billing is per second and there is no content filter.

View model details →View sample outputs →

LTX-2 19B LoRA

LTX-2 19B LoRA image-to-video animates your photo with up to three of your own LoRA files and a stereo soundtrack, 5 to 20 seconds at 480p, 720p or 1080p in the photo's shape. Camera moves and styles by direct link, no content filter.

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.

  • LTX-2 19B is 20% cheaper at 720p, the closest like-for-like setting the two publish.
  • Both are listed as Uncensored. Compare the examples and content-test details on each model page for the scenes you want to create.

Compare the published examples, then try the same input on both models with matching settings.

Test scores side by side

The Spicy Index and Freedom Score for both models, from the same daily calculation as the leaderboards.

Test scores side by side
MeasureLTX-2 19BLTX-2 19B LoRA
Spicy Index57.857.1
Freedom Score76.175.5
EvidenceTested 6 of 6 probe types · 50 runsTested 6 of 6 probe types · 51 runs
Range if the rest pass76.1–76.175.5–75.5
Price$0.096 per 5-second clip$0.12 per 5-second clip
ReviewsRead the LTX-2 19B reviewRead the LTX-2 19B LoRA review

Preliminary · limited independent quality evidence

See both on the leaderboard →

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.

Swipe horizontally to compare all fields.

Price at the same setting
TierLTX-2 19BLTX-2 19B LoRADifference
480p$0.014 / output seconds$0.018 / output secondsLTX-2 19B −20%
720p$0.019 / output seconds$0.024 / output secondsLTX-2 19B −20%
1080p$0.029 / output seconds$0.036 / output secondsLTX-2 19B −20%

What one ordinary job costs

  • LTX-2 19B: $0.096 for a five-second clip at 720p.
  • LTX-2 19B LoRA: $0.12 for a five-second clip at 720p.

Arithmetic on the published rates at each model's own default setting, not a quote. The console prices your actual settings before a request is accepted.

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.

LTX-2 19B vs LTX-2 19B LoRA
Controls and limitsLTX-2 19BLTX-2 19B LoRA
Supported tasksimage-to-videoimage-to-video
Clip length5–20 seconds5–20 seconds
Resolution tiers480p · 720p · 1080p480p · 720p · 1080p
Audio outputYesYes
High-resolution tierYesYes
SeedYesYes
ExecutionSubmit, then poll or take the callbackSubmit, then poll or take the callback
Request timeout60 minutes60 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.

LTX-2 19B

Uncensored

This model declares no content filter. SpicyAPI forwards the request without adding a platform content scan; legal and consent duties remain with the customer.

LTX-2 19B LoRA

Uncensored

This model declares no content filter. SpicyAPI forwards the request without adding a platform content scan; legal and consent duties remain with the customer.

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.

  • 5 fields appear in both request bodies under the same names. duration_seconds, image_url, prompt, resolution, seed
  • LTX-2 19B accepts no field the other one lacks.
  • Only LTX-2 19B LoRA accepts: loras.
  • LTX-2 19B requires image_url, prompt.
  • LTX-2 19B LoRA requires image_url, prompt.
  • 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.

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Moving from one to the other

The model identifiers are lightricks/ltx-2-19b/image-to-video and lightricks/ltx-2-19b-lora/image-to-video, 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, LTX-2 19B or LTX-2 19B LoRA?

Which is cheaper, LTX-2 19B or LTX-2 19B LoRA?

LTX-2 19B is 20% cheaper at 720p, the closest like-for-like setting the two publish. Prices may change; check the estimate shown for your actual settings before submitting.

How long can a single request run?

LTX-2 19B allows 60 minutes per task and LTX-2 19B LoRA allows 60. 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.