AI video API · Lightricks

LTX 2.5 Fast API pricing per second

Generate video with Lightricks's LTX 2.5 Fast through the Cut.Pro API. You see the price before you generate and pay only for what you use.

  • Pay as you go, no subscription
  • 15 free credits on a new account
  • Free quote before every call
From$0.26per secondR$0.86 · 15 credits6 seconds at 720p: $1.54Updated November 07, 2026

Pricing

LTX 2.5 Fast pricing by mode and resolution

ModeResolutionPrice per secondIn reaisCredits
Text only720p$0.26R$0.8615 credits
Text only1080p$0.37R$1.2421 credits
From an image720p$0.26R$0.8615 credits
From an image1080p$0.37R$1.2421 credits
First and last frame720p$0.26R$0.8615 credits
First and last frame1080p$0.37R$1.2421 credits

Updated November 07, 2026. Prices use the cheapest credit pack: 1 credit costs $0.0179 (R$0.0599).

Limits

What LTX 2.5 Fast accepts in each request

Modes
Text only, From an image, and First and last frame
Duration
6, 8, 10, 12, 14, 16, 18, or 20 seconds
Resolutions
720p, 1080p
Aspect ratios
16:9, 9:16
Reference images
up to 2
Sound
With or without sound (audio: false)

Code

How to call LTX 2.5 Fast free quote, generation and result

BODY='{"model":"lightricks/ltx-2.5-fast","prompt":"a dog surfing at sunset","seconds":6,"resolution":"720p","aspect_ratio":"9:16"}'

CREDITS=$(curl -s -X POST https://api.cut.pro/api/v1/generations/quote \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -d "$BODY" | jq .credits)

curl -X POST "https://api.cut.pro/api/v1/generations?wait=60" \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d "$(jq -c --argjson credits "$CREDITS" '. + {credits: $credits}' <<< "$BODY")"
Read the docs

Questions

API questions before your first call

At 720p, each second costs $0.26 and a minute comes to $15.44 (R$51.68, 863 credits). Each generation runs 6, 8, 10, 12, 14, 16, 18, or 20 seconds.
Create an account, make a key and send the request to the quote, which charges nothing. The smallest LTX 2.5 Fast generation costs 87 credits, more than the 15 free ones: use those to try a cheaper model from the catalog.
Text only: the prompt describes everything. From an image: the image you send becomes the first frame. First and last frame: two images become the start and the end of the video.
No. Buy a credit pack by card, or in reais with Pix from Brazil, and spend it on LTX 2.5 Fast and every other model with the same key.
No. The Cut.Pro key calls LTX 2.5 Fast without a Lightricks account, with one balance for every model in the catalog.
Yes. With a CPF or CNPJ and full address in your billing details, the nota fiscal is issued after each payment is confirmed.

Still missing one? Help center

Generate with LTX 2.5 Fast today

Create a key, get a free quote and pay only for what you generate.

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