grok-imagine-video-1.5-lite

by xAIVideo

Grok Imagine Video 1.5 Lite API by xAI on TTAPI generates non-official 1–15 second clips from text or reference images, with 480P, 720P, and upscaled 1080P output.

Duration1–15sper clip
Output1080Pupscaled from 720P
FlowAsyncjobId → result
Price0.5 quotaper second at 480P/720P
Example clip16:9 preview
Example clip

A six-second deep-sea shot follows an ROV approaching a severed cable. Sediment drifts through its lights; a cyan pulse travels through exposed fibers before the lamps go dark and reveal DARK FIBER. Restrained cinematic movement, sonar ping, thruster hum, and a final bass impact.

First frame · 6s · 720P · 16:9
Examples

Grok 1.5 Lite video examples

Capabilities

What you can build with grok-imagine-video-1.5-lite

Text to video

Create short clips from a scene and motion prompt, with duration and aspect-ratio controls.

Reference images

Guide generation with multiple reference-image URLs through the non-official Grok route.

Opening-frame control

Set the first image of a Lite clip with first_frame in the documented first-frame workflow.

Per-second pricing

Choose 480P/720P at 0.5 quota per second, or upscaled 1080P at 2 quota per second.

Pricing

Per-action, in quota

Usage is metered in quota by model, action, and output settings.

Non-official per-second pricingOfficial pricing
ResolutionPriceUnit
480P / 720P0.5 quota · $0.005/ second
1080P (upscaled)2 quota · $0.02/ second
API request

grok-imagine-video-1.5-lite operations and request fields

Use the endpoint below with your TTAPI key and the request fields shown.

Text to videoPOST
/grok/generations

Generate a 1–15 second Lite clip from a scene and motion prompt.

Official reference
Reference to videoPOST
/grok/generations

Guide Lite generation with reference-image URLs in refer_images.

Official reference
First framePOST
/grok/generations

Set a Lite clip's opening image with first_frame.

Official reference
POSThttps://api.ttapi.io/grok/generations

Headers

TT-API-KEYstringrequired

Your TTAPI API key.

Content-Typestringrequired

Use application/json.

Body

promptstringrequired

Scene and motion prompt, up to 4,096 characters.

modelenumoptional

Use grok-imagine-video-1.5-lite for this non-official Lite request.

aspect_ratioenumoptional

Defaults to 16:9. Supported: 2:3, 3:2, 1:1, 9:16, and 16:9.

video_lengthstringoptional

Clip duration as a string from 1 to 15 seconds. Defaults to 10.

resolution_nameenumoptional

480p, 720p, or 1080p. Defaults to 720p; 1080P is upscaled from 720P.

refer_imagesstring[]conditional

Optional reference-image URLs for reference-to-video. TTAPI's launch confirms multiple references; no Lite-specific maximum is published.

first_framestringoptional

First-frame image URL for the first-frame workflow. Required when using that workflow.

hook_urlstringoptional

Callback URL notified when the job completes or fails; otherwise retrieve the result through Fetch.

Open the official TTAPI documentation
Integrate

From key to first result

Copy the resolved endpoint, authentication headers, and request body for this model.

curl --request POST \
  --url https://api.ttapi.io/grok/generations \
  --header 'TT-API-KEY: $TTAPI_KEY' \
  --header 'Content-Type: application/json' \
  --data '{"model":"grok-imagine-video-1.5-lite","prompt":"A slow camera orbit around a ceramic cup on a sunlit desk, soft shadows, steady motion, no text.","aspect_ratio":"16:9","video_length":"10","resolution_name":"720p"}'