> ## Documentation Index
> Fetch the complete documentation index at: https://docs.snapgen.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Veo 3.1 Lite 4K

> Generate an 8-second 4K Veo 3.1 video for $0.15.

`veo3-1-lite-4k` keeps Lite pricing while raising the fixed 8-second result to 4K with native synchronized audio.

| Property   | Value                           |
| ---------- | ------------------------------- |
| Model ID   | `veo3-1-lite-4k`                |
| Duration   | Fixed 8 seconds                 |
| Resolution | 3840x2160 or 2160x3840          |
| References | Optional, 1-2 public images     |
| Price      | \$0.15 per request (15 credits) |

<ParamField body="model" type="string" required>Set to `veo3-1-lite-4k`.</ParamField>
<ParamField body="prompt" type="string" required>Describe the shot and intended audio.</ParamField>
<ParamField body="seconds" type="string" required>Set to `"8"`.</ParamField>
<ParamField body="aspect_ratio" type="string" default="16:9">Use `16:9` or `9:16`.</ParamField>
<ParamField body="image_urls" type="string[]">Optionally send one start frame or a start and end frame.</ParamField>

## Request

```bash theme={null}
curl https://api.snapgen.org/v1/videos \
  -H "Authorization: Bearer $SNAPGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3-1-lite-4k",
    "prompt": "A glass sculpture rotates under precise studio light, quiet room tone",
    "seconds": "8",
    "aspect_ratio": "16:9"
  }'
```

Follow the [Video API workflow](/api-reference/video-generation) and include `model=veo3-1-lite-4k` when polling and downloading.

<Note>
  The `-4k` model ID selects 4K output. Do not send a `resolution` or `size`
  field with Veo routes.
</Note>