promptstringrequired
Text description of the desired video.
Grok Imagine Video 1.5 Text to Video
xai/grok-imagine-video/1.5/text-to-videoGrok Imagine Video 1.5 by xAI - generate cinematic videos from text descriptions with AI. Create high-quality video content with natural motion, camera control, and optional audio generation.
Try the model
Playground
Input
Text description of the desired video.
Additional Settings More
Customize your input with more control.
The aspect ratio of the generated image. Allowed values: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16.
Resolution of the output video. Allowed values: 480p, 720p, 1080p.
115
Video duration in seconds. Range: 1 to 15.
ResultExample
What would you like to do next?
Examples
Select an example to load its inputs and result into the playground.
- Open result ↗
Input
{ "prompt": "Anime schoolgirl bursting out of house door, cherry blossoms blowing, morning light, speed lines indicating rush, chibi-ready expressions, classic shojo aesthetic, vibrant colors" }
Human preference
Arena
Elo ratings from blind side-by-side votes, compared with other image and video models.
Rankings sourced from Artificial Analysis Arena
- Leaderboard
- Text to Video
- Rank
- #11 of 33
- Elo
- 1034 ±17
- Gap to #1
- −109
Text-to-video arena (silent): people pick the better of two clips from the same prompt, without seeing the model names; audio is not judged.
- #6Dreamina Seedance 2.51104±17
- #7FLUX 31091±17
- #8Dreamina Seedance 2.01082±17
- #9Gemini Omni Flash 1.11067±17
- #10Agnes-Video-2.51054±17
- #11Grok Imagine Video 1.51034±17
- #12HappyHorse-1.01032±17
- #13HappyHorse-1.11032±17
- #14Wan2.7-2606121022±17
- #15MAGI-2 Preview1008±16
Grok Imagine Video 1.5 Text to Video
Grok Imagine Video 1.5 turns a prompt into a 1–15 second clip with native audio, up to 1080p.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
prompt | string, required | — | Up to 4,096 characters. |
aspect_ratio | 21:9 / 16:9 / 3:2 / 4:3 / 5:4 / 1:1 / 4:5 / 3:4 / 2:3 / 9:16 | — | Output frame shape. |
resolution | 480p / 720p / 1080p | 720p | Sets the per-second rate. |
duration | integer 1–15 | 6 | Output length in seconds. |
Billing
Per output second: $0.08 at 480p, $0.14 at 720p, $0.25 at 1080p.
| Output | 480p | 720p | 1080p |
|---|---|---|---|
| 6s (default) | $0.48 | $0.84 | $1.50 |
| 10s | $0.80 | $1.40 | $2.50 |
| 15s | $1.20 | $2.10 | $3.75 |
Failed runs are not charged.
Prompting
- Describe subject, action, camera, and sound.
Also on SandBase
Other Grok Imagine Video 1.5 endpoints: xai/grok-imagine-video/1.5/image-to-video, xai/grok-imagine-video/1.5/reference-to-video, xai/grok-imagine-video/1.5/lite/text-to-video, xai/grok-imagine-video/1.5/lite/image-to-video, xai/grok-imagine-video/text-to-video (previous version).
Start building
Send your first request
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "xai/grok-imagine-video/1.5/text-to-video",
"prompt": "Anime schoolgirl bursting out of house door, cherry blossoms blowing, morning light, speed lines indicating rush, chibi-ready expressions, classic shojo aesthetic, vibrant colors",
"duration": 6,
"resolution": "720p"
}
SANDBASE_JSON
)
run_id=$(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
durationinteger
Video duration in seconds.
Default: 6
Minimum: 1
Maximum: 15
resolutionstring
Resolution of the output video.
Default: "720p"
Possible values: "480p", "720p", "1080p"
aspect_ratiostring
The aspect ratio of the generated image.
Possible values: "21:9", "16:9", "3:2", "4:3", "5:4", "1:1", "4:5", "3:4", "2:3", "9:16"
{
"model": "xai/grok-imagine-video/1.5/text-to-video",
"prompt": "Anime schoolgirl bursting out of house door, cherry blossoms blowing, morning light, speed lines indicating rush, chibi-ready expressions, classic shojo aesthetic, vibrant colors",
"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/22dfa1b4ca0e60107aa1.jpg",
"source": "xAI schema mirror",
"source_url": "https://docs.x.ai/",
"url": "https://static.sandbase.ai/examples/f74444a8-1998-4356-bde9-c63a5d099062/output/c4b85dd4-9139-40ce-b8ac-7a7856f2700c.mp4"
}
]