Video85% below list

Grok Imagine API

$0.0099per second

85% below xAI's $0.07 list price.

Text-to-video and image-to-video at 720p, billed per second of finished video.

Every top video, image and text model on one key and one bill.

Get API keyRead quickstart

Price comparison

ProviderPriceSource
Korpi API
720p
$0.0099 / second
xAI
720p
$0.07 / second
Korpi 85% lower
fal
720p
$0.07 / second
Korpi 85% lower
Replicate
Per output second
$0.05 / second
Korpi 80% lower

Public list prices, checked 2026-10-14.

Specs

Output
720p MP4
Duration
6, 8 or 10 seconds
Aspect ratios
16:9, 9:16, 1:1
Input
Prompt, optional start image
Endpoint
POST /v1/videos/generations

Request

curl https://backend.korpi.ai/v1/videos/generations \
  -H "Authorization: Bearer $KORPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"grok-imagine","prompt":"A paper boat drifting down a rainy street","duration":6,"aspect_ratio":"16:9"}'

FAQ

How much does the Grok Imagine API cost on Korpi?

$0.0099 per second of generated 720p video, 85% below xAI's $0.07 list price. A 6 second clip costs six times that. You pay only for completed videos.

What does xAI charge for Grok Imagine?

xAI lists $0.05 per second at 480p and $0.07 per second at 720p on its model page (checked 2026-10-14).

What else can I call with the same key?

Nano Banana images and 10 text models from Google, Anthropic, xAI, Moonshot and DeepSeek. One prepaid balance and one bill cover all of them.

Can I start from an image?

Yes. Pass an HTTPS image_url with the prompt to animate a still image.

How do I get the video?

The create call returns a job id. Poll GET /v1/videos/generations/{id} until status is completed, then download the url.

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