imagestringrequired
URL of the input image for video generation.
Grok Imagine Video Image to Video
xai/grok-imagine-video/image-to-videoGrok Imagine Video is xAI's image-to-video AI model. Bring static images to life with fluid animation, consistent character motion, and professional-grade video output.
Try the model
Playground
Input
Text description of desired changes or motion in the video.
PNG, JPEG, WebP, or GIF · 20 MiB maximum
URL of the input image for video generation.
This field is required.
Additional Settings More
Customize your input with more control.
Resolution of the output video. Allowed values: 480p, 720p.
115
Video duration in seconds. Range: 1 to 15.
Output aspect ratio. Omit to match the input image. Allowed values: 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16.
ResultExample
What would you like to do next?
Examples
Select an example to load its inputs and result into the playground.
- Open result ↗
Input
{ "image": "https://static.sandbase.ai/examples/f044c9ae-db59-43ac-a737-59b5480873ae/input/0e57dfa7-564f-4ae5-bd6c-f33aa4fd6580.png", "prompt": "Medieval knight in ornate armor walking through a mystical forest, bioluminescent plants pulsing with light, ancient stone ruins overgrown with glowing vines, over-the-shoulder camera, dark fantasy aesthetic, volumetric fog and Lumen lighting" }
Grok Imagine Video Image to Video
Grok Imagine Video image-to-video: animate a picture into a 1–15 second clip with native audio.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
prompt | string, required | — | Up to 4,096 characters. |
image | image URL, required | — | First frame. JPEG, PNG, or WebP URL. |
resolution | 480p / 720p | 720p | Sets the per-second rate. |
duration | integer 1–15 | 6 | Output length in seconds. |
aspect_ratio | 16:9 / 4:3 / 3:2 / 1:1 / 2:3 / 3:4 / 9:16 | — | Output frame shape. |
Billing
$0.07 per output second at 720p and $0.05 at 480p, plus $0.002 per request.
| Output | 480p | 720p |
|---|---|---|
| 6s (default) | $0.302 | $0.422 |
| 10s | $0.502 | $0.702 |
| 15s | $0.752 | $1.052 |
Failed runs are not charged.
Prompting
- Describe subject, action, camera, and sound.
Also on SandBase
Other Grok Imagine Video endpoints: xai/grok-imagine-video/text-to-video, xai/grok-imagine-video/reference-to-video, xai/grok-imagine-video/video-edit, xai/grok-imagine-video/video-extend, xai/grok-imagine-video/1.5/text-to-video (1.5, newer).
Start building
Send your first request
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "xai/grok-imagine-video/image-to-video",
"image": "https://static.sandbase.ai/examples/xai/grok-imagine-video/image-to-video/input_image_0.png",
"prompt": "Medieval knight in ornate armor walking through a mystical forest, bioluminescent plants pulsing with light, ancient stone ruins overgrown with glowing vines, over-the-shoulder camera, dark fantasy aesthetic, volumetric fog and Lumen lighting",
"duration": 6,
"resolution": "720p"
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
status=$(printf '%s' "$result" | jq -r .status)
case "$status" in completed|failed|timeout) break ;; esac
sleep 2
result=$(curl --fail-with-body --silent \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
"https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"2. Authentication
Create a SandBase API key and set it in your server environment. All requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep the key on your server. Do not expose it in browser code or commit it to a repository.
3. Queue
Submit a request
POST to /v1/run with this model ID and its inputs. The request example above includes submission and polling.
Fetch request status and result
Use the returned run ID to poll until the status is completed, failed or timeout. Read output only after completed.
curl "https://api.sandbase.ai/v1/run/$RUN_ID" \
-H "Authorization: Bearer $SANDBASE_API_KEY"4. Files
Hosted files
Pass a publicly accessible file URL in the model’s image, video or audio field. Supported formats and limits are shown beside each Playground input.
Uploading images
Use the upload or replace control on supported image fields in the Playground. Video URL fields accept a hosted driving video; they do not imply video-upload support.
5. Schema
Input
promptstringrequired
Text description of desired changes or motion in the video.
durationinteger
Video duration in seconds.
Default: 6
Minimum: 1
Maximum: 15
resolutionstring
Resolution of the output video.
Default: "720p"
Possible values: "480p", "720p"
aspect_ratiostring
Output aspect ratio. Omit to match the input image.
Possible values: "16:9", "4:3", "3:2", "1:1", "2:3", "3:4", "9:16"
{
"model": "xai/grok-imagine-video/image-to-video",
"image": "https://static.sandbase.ai/examples/xai/grok-imagine-video/image-to-video/input_image_0.png",
"prompt": "Medieval knight in ornate armor walking through a mystical forest, bioluminescent plants pulsing with light, ancient stone ruins overgrown with glowing vines, over-the-shoulder camera, dark fantasy aesthetic, volumetric fog and Lumen lighting",
"duration": 6,
"resolution": "720p"
}Output
A completed run exposes its result in output. The following is the model’s saved example, not a new generation.
[
{
"poster": "https://static.sandbase.ai/examples/posters/31a11aff2676ad71ba05.jpg",
"source": "xAI schema mirror",
"source_url": "https://docs.x.ai/",
"url": "https://static.sandbase.ai/examples/f044c9ae-db59-43ac-a737-59b5480873ae/output/17697857-c655-4eeb-b3e6-e5eaa3f9bee1.mp4"
}
]