Models

Grok Imagine 1.5 X

New

Grok Imagine Video 1.5 (preview). Image-to-video only — your image is the first frame and the prompt drives the motion. 480p or 720p, 1–15 seconds.

Product id

kiara-grok-video-1-5

Price

$0.08 / sec · + $0.51/clip · e.g. $0.91 for a 5s clip

Output

video (mp4)

Avg latency

~200s

Parameters

Inputs

Send these in the JSON body of a POST /v1/generations request alongside "product": "kiara-grok-video-1-5".

start_image_urlurlRequired

HTTPS URL to the first-frame image. The model animates this image from the prompt.

promptstringRequired

Text prompt that describes what to generate. 1–4000 characters. Be specific — subject, lighting, lens, mood, action.

duration_secondsintegerOptionalDefaults to 51 – 15

Output clip length in seconds.

resolutionstringOptionalDefaults to 480p

Output resolution.

seedintegerOptional0 – 4,294,967,295

Deterministic seed. Same seed + same prompt = same image. Omit for a random seed.

webhook_urlurlOptional

HTTPS callback fired when the job reaches a terminal state. HMAC-SHA256 signed. See the Webhooks guide.

metadataobjectOptional

Arbitrary JSON object echoed back on retrieval and in the webhook. Useful for correlating jobs to your records. ≤ 4 KB.

POST /v1/generations — full reference for the create endpoint.
Playground — try this model inline with your key.

Quick call

POSTGrok Imagine 1.5 X/v1/generations

curl https://api.kiara-api.com/v1/generations \
  -H "Authorization: Bearer $KIARA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "product": "kiara-grok-video-1-5",
       "start_image_url": "https://example.com/start.jpg",
       "prompt": "your prompt here",
       "duration_seconds": 5,
       "resolution": "720p"
     }'