# Grok Imagine Video 1.5 Lite API on MLMux

> xAI Grok Imagine Video 1.5 Lite, the low-cost Grok video model, for video with audio from text or a starting image.

- Model page: https://www.mlmux.com/xai/grok-imagine-video-1.5-lite
- API model ID: `xai/grok-imagine-video-1.5-lite`
- Provider: xAI
- Generation modes: Text to video, Image to video
- Endpoint: `POST https://api.mlmux.com/v1/videos/generations`
- Reference images: up to 1
- Resolutions: 480p, 720p, 1080p
- Aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, 2:3, 21:9
- Duration: 1 to 15 seconds
- Audio: can generate audio together with the video

## Pricing

Pay as you go in credits; 1 credit = 1 US dollar, with no subscription. `official-cheap` is the default route.

- 480p: $0.02 on `official`, $0.018 on `official-cheap` per second of output video
- 720p: $0.03 on `official`, $0.027 on `official-cheap` per second of output video
- 1080p: $0.14 on `official`, $0.126 on `official-cheap` per second of output video

## Request

Send your API key as `Authorization: Bearer $MLMUX_API_KEY`. Create keys at https://www.mlmux.com/console/api-keys.

```bash
curl https://api.mlmux.com/v1/videos/generations \
  -H "Authorization: Bearer $MLMUX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "xai/grok-imagine-video-1.5-lite",
  "route_mode": "official-cheap",
  "prompt": "A red fox walks through fresh snow at sunrise, slow tracking shot, cinematic light",
  "mode": "text_to_video",
  "ratio": "16:9",
  "resolution": "720p",
  "duration": 5,
  "generate_audio": true
}'

# The response is a task. Poll it until "status" is "succeeded", then read "video".
curl https://api.mlmux.com/v1/videos/generations/TASK_ID \
  -H "Authorization: Bearer $MLMUX_API_KEY"
```

```python
import os
import time
import requests

headers = {"Authorization": f"Bearer {os.environ['MLMUX_API_KEY']}"}
response = requests.post(
    "https://api.mlmux.com/v1/videos/generations",
    headers=headers,
    json={
      "model": "xai/grok-imagine-video-1.5-lite",
      "route_mode": "official-cheap",
      "prompt": "A red fox walks through fresh snow at sunrise, slow tracking shot, cinematic light",
      "mode": "text_to_video",
      "ratio": "16:9",
      "resolution": "720p",
      "duration": 5,
      "generate_audio": True
    },
    timeout=300,
)
response.raise_for_status()
task = response.json()

while task["status"] not in ("succeeded", "failed", "expired", "canceled"):
    time.sleep(5)
    task = requests.get("https://api.mlmux.com" + task["poll_url"], headers=headers, timeout=30).json()

print(task["status"], task.get("video"))
```

The response is a task. Poll its `poll_url` every few seconds until `status` is `succeeded`, then read the video URL, or receive a webhook when it finishes.

## Frequently asked questions

### What is Grok Imagine Video 1.5 Lite?

Grok Imagine Video 1.5 Lite is a video generation model from xAI. On MLMux you can run it in the browser or call it through one API. xAI Grok Imagine Video 1.5 Lite, the low-cost Grok video model, for video with audio from text or a starting image.

### How do I use the Grok Imagine Video 1.5 Lite API?

Create an API key in the MLMux Console, then send a POST request to https://api.mlmux.com/v1/videos/generations with the key in the Authorization header and model set to xai/grok-imagine-video-1.5-lite. The request returns a task: poll it, or receive a webhook when the video is ready.

### What can Grok Imagine Video 1.5 Lite do?

Generation modes: Text to video and Image to video. Clips run 1 to 15 seconds at 480p, 720p, or 1080p, in aspect ratios such as 16:9, 9:16, 1:1, 4:3, 3:4, and 3:2, with up to 1 reference images. Grok Imagine Video 1.5 Lite can also generate audio together with the video.

### How much does Grok Imagine Video 1.5 Lite cost?

MLMux is pay as you go, with no subscription or monthly fee, and 1 credit equals 1 US dollar. One second of 720p Grok Imagine Video 1.5 Lite video costs $0.027 on the default official-cheap route and $0.03 on the official route. Rates for every resolution are listed in the pricing section of this page.

### Can I try Grok Imagine Video 1.5 Lite without writing code?

Yes. Sign in and use the playground at the top of this page to run Grok Imagine Video 1.5 Lite with the same settings as the API. The playground's code views show the matching request for your settings, and the quick start below has copy-paste examples in cURL, Python, and JavaScript.

## More

- Video API guide: https://www.mlmux.com/docs/videos
- Pricing for every model: https://www.mlmux.com/pricing
- All models: https://www.mlmux.com/llms.txt