ai-video-generation

What this skill does

> **Install the belt CLI skill:** `npx skills add belt-sh/cli`

# AI Video Generation

Generate videos with 40+ AI models via [inference.sh](https://inference.sh) CLI.

![AI Video Generation](https://cloud.inference.sh/app/files/u/4mg21r6ta37mpaz6ktzwtt8krr/01kg2c0egyg243mnyth4y6g51q.jpeg)

## Quick Start

> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)

```bash
belt login

# Generate a video with Veo
belt app run google/veo-3-1-fast --input '{"prompt": "drone shot flying over a forest"}'
```


## Available Models

### Text-to-Video

| Model | App ID | Best For |
|-------|--------|----------|
| Veo 3.1 Fast | `google/veo-3-1-fast` | Fast, with optional audio |
| Veo 3.1 | `google/veo-3-1` | Best quality, frame interpolation |
| Veo 3 | `google/veo-3` | High quality with audio |
| Veo 3 Fast | `google/veo-3-fast` | Fast with audio |
| Veo 2 | `google/veo-2` | Realistic videos |
| **P-Video** | `pruna/p-video` | Fast, economical, with audio support |
| **WAN-T2V** | `pruna/wan-t2v` | Economical 480p/720p |
| Grok Video | `xai/grok-imagine-video` | xAI, configurable duration |
| **Seedance 2.0** | `bytedance/seedance-2-0` | Text/image/ref-to-video with sync audio, up to 1080p |
| **Seedance 2.0 Fast** | `bytedance/seedance-2-0-fast` | Fast variant, same capabilities |
| **HappyHorse T2V** | `alibaba/happyhorse-1-0-t2v` | Physically realistic, up to 15s |

### Image-to-Video

| Model | App ID | Best For |
|-------|--------|----------|
| Wan 2.5 | `falai/wan-2-5` | Animate any image |
| Wan 2.5 I2V | `falai/wan-2-5-i2v` | High quality i2v |
| **WAN-I2V** | `pruna/wan-i2v` | Economical 480p/720p |
| **P-Video** | `pruna/p-video` | Fast i2v with audio |
| **Seedance 2.0** | `bytedance/seedance-2-0` | Animate images with sync audio, up to 1080p |
| **Seedance 2.0 Fast** | `bytedance/seedance-2-0-fast` | Fast variant, same capabilities |
| **HappyHorse I2V** | `alibaba/happyhorse-1-0-i2v` | Animate images, up to 1080P/15s |
| **HappyHorse R2V** | `alibaba/happyhorse-1-0-r2v` | Character-preserving from references |

### Avatar / Lipsync

| Model | App ID | Best For |
|-------|--------|----------|
| OmniHuman 1.5 | `bytedance/omnihuman-1-5` | Multi-character |
| OmniHuman 1.0 | `bytedance/omnihuman-1-0` | Single character |
| Fabric 1.0 | `falai/fabric-1-0` | Image talks with lipsync |
| PixVerse Lipsync | `falai/pixverse-lipsync` | Realistic lipsync |

### Video Editing

| Model | App ID | Best For |
|-------|--------|----------|
| HappyHorse Edit | `alibaba/happyhorse-1-0-video-edit` | Natural language video editing |

### Utilities

| Tool | App ID | Description |
|------|--------|-------------|
| HunyuanVideo Foley | `infsh/hunyuanvideo-foley` | Add sound effects to video |
| Topaz Upscaler | `falai/topaz-video-upscaler` | Upscale video quality |
| Media Merger | `infsh/media-merger` | Merge videos with transitions |

## Browse All Video Apps

```bash
belt app store --category video
```

## Examples

### Text-to-Video with Veo

```bash
belt app run google/veo-3-1-fast --input '{
  "prompt": "A timelapse of a flower blooming in a garden"
}'
```

### Grok Video

```bash
belt app run xai/grok-imagine-video --input '{
  "prompt": "Waves crashing on a beach at sunset",
  "duration": 5
}'
```

### Image-to-Video with Wan 2.5

```bash
belt app run falai/wan-2-5 --input '{
  "image_url": "https://your-image.jpg"
}'
```

### AI Avatar / Talking Head

```bash
belt app run bytedance/omnihuman-1-5 --input '{
  "image_url": "https://portrait.jpg",
  "audio_url": "https://speech.mp3"
}'
```

### Fabric Lipsync

```bash
belt app run falai/fabric-1-0 --input '{
  "image_url": "https://face.jpg",
  "audio_url": "https://audio.mp3"
}'
```

### Seedance 2.0 Text-to-Video with Audio

```bash
belt app run bytedance/seedance-2-0 --input '{
  "prompt": "a jazz band performing in a dimly lit club",
  "generate_audio": true,
  "duration": 10
}'
```

### Seedance 2.0 Image-to-Video

```bash
belt app run bytedance/seedance-2-0 --input '{
  "image": "https://your-image.jpg",
  "prompt": "gentle camera movement, leaves rustling in the wind",
  "generate_audio": true
}'
```

### Seedance 2.0 Reference-to-Video

```bash
belt app run bytedance/seedance-2-0 --input '{
  "prompt": "A person who looks like the reference walking through a garden",
  "reference_image": "https://portrait.jpg",
  "generate_audio": true
}'
```

### HappyHorse Text-to-Video

```bash
belt app run alibaba/happyhorse-1-0-t2v --input '{
  "prompt": "a golden retriever running through autumn leaves, slow motion",
  "duration": 10,
  "resolution": "1080P"
}'
```

### HappyHorse Video Editing

```bash
belt app run alibaba/happyhorse-1-0-video-edit --input '{
  "video": "https://your-video.mp4",
  "prompt": "change the background to a snowy mountain landscape"
}'
```

### PixVerse Lipsync

```bash
belt app run falai/pixverse-lipsync --input '{
  "image_url": "https://portrait.jpg",
  "audio_url": "https://speech.mp3"
}'
```

### Video Upscaling

```bash
belt app run falai/topaz-video-upscaler --input '{"video_url": "https://..."}'
```

### Add Sound Effects (Foley)

```bash
belt app run infsh/hunyuanvideo-foley --input '{
  "video_url": "https://silent-video.mp4",
  "prompt": "footsteps on gravel, birds chirping"
}'
```

### Merge Videos

```bash
belt app run infsh/media-merger --input '{
  "videos": ["https://clip1.mp4", "https://clip2.mp4"],
  "transition": "fade"
}'
```

## Related Skills

```bash
# Full platform skill (all 250+ apps)
npx skills add inference-sh/skills@infsh-cli

# Pruna P-Video (fast & economical)
npx skills add inference-sh/skills@p-video

# Google Veo specific
npx skills add inference-sh/skills@google-veo

# Seedance 2.0
npx skills add inference-sh/skills@seedance

# HappyHorse 1.0
npx skills add inference-sh/skills@happyhorse

# AI avatars & lipsync
npx skills add inference-sh/skills@ai-avatar-video

# Text-to-speech (for video narration)
npx skills add inference-sh/skills@text-to-speech

# Image generation (for image-to-video)
npx skills add inference-sh/skills@ai-image-generation

# Twitter (post videos)
npx skills add inference-sh/skills@twitter-automation
```

Browse all apps: `belt app store`

## Documentation

- [Running Apps](https://inference.sh/docs/apps/running) - How to run apps via CLI
- [Streaming Results](https://inference.sh/docs/api/sdk/streaming) - Real-time progress updates
- [Content Pipeline Example](https://inference.sh/docs/examples/content-pipeline) - Building media workflows