AI video API · Kling

Kling Video O1 API pricing per second

Generate video with Kling's Kling Video O1 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$0.25per secondR$0.83 · 14 credits5 seconds at 1080p: $1.24Updated November 07, 2026

Pricing

Kling Video O1 pricing by mode and resolution

ModeResolutionPrice per secondIn reaisCredits
First and last frame1080p$0.25R$0.8314 credits
From an image1080p$0.25R$0.8314 credits
Text only1080p$0.25R$0.8314 credits
With references1080p$0.29R$0.9717 credits

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

Limits

What Kling Video O1 accepts in each request

Modes
First and last frame, From an image, Text only, and With references
Duration
3 to 10 seconds
Resolutions
1080p
Aspect ratios
16:9, 1:1, 9:16
Reference images
up to 7

Code

How to call Kling Video O1 free quote, generation and result

BODY='{"model":"kling/kling-video-o1","prompt":"a dog surfing at sunset","seconds":5,"resolution":"1080p","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 1080p, each second costs $0.25 and a minute comes to $14.85 (R$49.69, 830 credits). Each generation runs 3 to 10 seconds.
Create an account, make a key and send the request to the quote, which charges nothing. The smallest Kling Video O1 generation costs 42 credits, more than the 15 free ones: use those to try a cheaper model from the catalog.
First and last frame: two images become the start and the end of the video. From an image: the image you send becomes the first frame. Text only: the prompt describes everything. With references: up to 7 images guide the character, product or style.
No. Buy a credit pack by card, or in reais with Pix from Brazil, and spend it on Kling Video O1 and every other model with the same key.
No. The Cut.Pro key calls Kling Video O1 without a Kling 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.

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Generate with Kling Video O1 today

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

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