# HeyGen Video

HeyGen Video generates 5–15 second clips with synchronized dialogue, ambience, and sound effects from text, a first-frame image, or image and video references. It supports 480p, 768p, 1080p, and 2K output. Reference mode charges for input video seconds plus output video seconds; image and audio references have no additional charge.

- **Model ID:** `heygen/heygen-video-1`
- **Type:** video
- **Providers:** heygen
- **Context window:** Not applicable
- **Maximum output tokens:** 0
- **Pricing:** See the provider details below
- **Canonical page:** https://vercel.com/ai-gateway/models/heygen-video-1

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { experimental_generateVideo as generateVideo } from 'ai';

const result = await generateVideo({
  model: 'heygen/heygen-video-1',
  prompt: 'A serene mountain lake at sunrise.'
});
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/heygen-video-1)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://developers.heygen.com/docs/models/heygen-video)
- [Provider pricing](https://help.heygen.com/en/articles/17272995-introducing-heygen-video-generate-cinematic-clips-from-a-prompt)