At a glance
The Grok Video API runs Grok Video through Mage at POST https://api.mage.space/v1/grok_video/generate. A request at the default settings costs 375 Gems (about $0.375), with no subscription. Grok Video takes saved characters, references by @handle in the prompt.
Video
Output
1
Variant
375
Gems per clip, default
$0.375
About, in USD
Overview
What the Grok Video API does
xAI's Grok Imagine for video, from text, up to 5 references, or a short source clip. 1 to 15 seconds at up to 720p. xAI's safety filter applies.
xAI's Grok Imagine for video, from text, reference images, or a source video to edit. xAI's safety filter applies.
It accepts image, additional_images, video as inputs.
Quick start
Call the Grok Video API
Set MAGE_API_KEY, submit to /grok_video/generate, and poll status_url until the request completes.
cURL
STATUS_URL=$(curl --request POST 'https://api.mage.space/v1/grok_video/generate' \
--header "Authorization: Bearer $MAGE_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"prompt": "A slow push-in on a lighthouse at dusk, waves breaking below",
"aspect_ratio": "16:9",
"duration": "5",
"model_id": "grok-imagine-video"
}' | jq -r '.status_url')
# Repeat until status is "completed"; result.url is the file
curl "$STATUS_URL" --header "Authorization: Bearer $MAGE_API_KEY"Python
import os, time, requests
headers = {"Authorization": f"Bearer {os.environ['MAGE_API_KEY']}"}
request = requests.post(
"https://api.mage.space/v1/grok_video/generate",
headers=headers,
json={
"prompt": "A slow push-in on a lighthouse at dusk, waves breaking below",
"aspect_ratio": "16:9",
"duration": "5",
"model_id": "grok-imagine-video"
},
).json()
while request["status"] in ("queued", "in_progress"):
time.sleep(3)
request = requests.get(request["status_url"], headers=headers).json()
print(request["status"], request["result"] and request["result"]["url"])JavaScript
const headers = {
Authorization: `Bearer ${process.env.MAGE_API_KEY}`,
'Content-Type': 'application/json',
};
let request = await fetch('https://api.mage.space/v1/grok_video/generate', {
method: 'POST',
headers,
body: JSON.stringify({
"prompt": "A slow push-in on a lighthouse at dusk, waves breaking below",
"aspect_ratio": "16:9",
"duration": "5",
"model_id": "grok-imagine-video"
}),
}).then((response) => response.json());
while (['queued', 'in_progress'].includes(request.status)) {
await new Promise((resolve) => setTimeout(resolve, 3000));
request = await fetch(request.status_url, { headers }).then((r) => r.json());
}
console.log(request.status, request.result?.url);Models
Grok Video model_id values
Send model_id to pick a variant. A request without one runs the default.
| model_id | Name | Default |
|---|---|---|
| grok-imagine-video | Grok Video | Yes |
Options
Grok Video parameters
Allowed values across all variants; a variant may offer fewer. The docs list the options per variant.
| Field | Values |
|---|---|
| aspect_ratio | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3 |
| resolution | 480p, 720p |
| duration | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
Inputs
Media inputs Grok Video accepts
Send each as an https URL, a data URL, or an upload of up to 100 MB.
| Field | Role |
|---|---|
| image | The reference image. |
| additional_images | Additional reference images. |
| video | The source video. |
Rules
What the Grok Video API enforces
- A source video must be at most 8.7 seconds and cannot be combined with reference images.
- Up to 5 reference images, which cap the clip at 10 seconds.
More video models
Other video generation APIs on Mage
Video · from 270 Gems
Kiwi API
Everyday video, zero setup
Video · from 245 Gems
Lemon API
Every video feature, at a friendlier price
Video · from 20 Gems
LTX Video API
Fast open-weights video for iteration
Video · from 147 Gems
Melon API
Anime in motion, with optional audio
Video · from 30 Gems
MiniMax-H3 API
Fast open video with stereo sound
Video · from 338 Gems
Plum API
Sound on every clip, up to 2K
FAQ
Frequently asked questions
How much does the Grok Video API cost?
A Grok Video request at the default settings (Grok Video) costs 375 Gems, about $0.375. Other resolutions, durations, and variants change the price; the response reports the exact charge. A generation that fails is refunded; one Mage's content policy blocks is not.
What is the Grok Video API endpoint?
POST https://api.mage.space/v1/grok_video/generate with an Authorization: Bearer header carrying your Mage API key. The response includes a status_url to poll for the result.
Which Grok Video models can I call?
grok-imagine-video (Grok Video). The default is Grok Video.
Does Grok Video support reference images or characters?
Grok Video accepts image, additional_images, video. Grok Video takes saved characters, references by @handle in the prompt.
Can I use Grok Video from Claude or ChatGPT?
Yes. Connect the Mage MCP server to Claude, ChatGPT, Claude Code, Grok, or Cursor and ask for Grok Video by name. Your assistant reads its options with get_model and quotes the price before it generates.
How long are Grok Video results kept?
Results and inputs are kept for 30 days. Download anything you want to keep to your own storage.
Start building with Mage
One account, one Gems balance, every model. Pay only for what you generate.