Kling O1

Kling O1 API for video generation at $0.06514 per second. First/last frame video. Call it on /v1/videos and pay as you go in USD; failed tasks are not charged.

Price
$0.06514
Unit
per second
Type
Video generation
Endpoint
/v1/videos

Pricing

$0.06514 per second22% below official

Estimated $0.5211 · official about $0.672

Official price: $0.084 per second · 720p, no input video · checked 2026-10-18

USD, charged from your prepaid balance at the listed price. List price; a few keys on special plans may differ.Failed and cancelled tasks are not charged. How billing works

What it does

First/last frame video

5–10 s · 720p

Model ID
kling-o1
Modes
First & last frame, Image to video
Duration
5–10 s
Resolutions
720p
Native audio
No

API

POST /v1/videos

Runs as an asynchronous task: create it, poll its status, then download the file. Set BIGMODEL_API_KEY to your API key first.

cURL
curl https://bigmodel.io/v1/videos \
  -H "Authorization: Bearer $BIGMODEL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: lantern-take-1" \
  -d '{
    "model": "kling-o1",
    "prompt": "The lantern drifts slowly to the right, mist moving over the water",
    "image": "https://example.com/lantern.png",
    "seconds": 5
  }'

# Poll until status is succeeded, then download
curl https://bigmodel.io/v1/videos/TASK_ID \
  -H "Authorization: Bearer $BIGMODEL_API_KEY"
curl -L -o video.mp4 https://bigmodel.io/v1/videos/TASK_ID/content \
  -H "Authorization: Bearer $BIGMODEL_API_KEY"

Python, Node.js, every input field and error handling are in the guide. Guide →

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