# H3 Max Lip Sync

> Run H3 Max Lip Sync by falai online or via API. From $0.05 per second, no setup.

**URL:** https://inference.sh/apps/falai/minimax-h3-max-lip-sync
**Last updated:** 2026-10-20

---

Animate a portrait image to speak an audio track with MiniMax H3 Max via fal. Output matches the audio length (5s to 15 min), 480P to 2K, optional transcription guidance.

- app: `falai/minimax-h3-max-lip-sync`
- maker: [falai](https://inference.sh/apps/falai.md)
- category: [video](https://inference.sh/apps/category/video.md)
- input → output: image → video
- tasks: [image to video](https://inference.sh/apps/tag/image-to-video.md), [lip sync](https://inference.sh/apps/tag/lip-sync.md), [talking head](https://inference.sh/apps/tag/talking-head.md)
- price: 480P $0.05/s, 768P $0.08/s, 1080P $0.16/s, 2K $0.32/s; +20% if >15s
- runs via: api, javascript and python sdk, belt cli, mcp

## minimax-h3-max-lip-sync API Guide

### About
animate a portrait image to speak an audio track with minimax h3 max via fal. output matches the audio length (5s to 15 min), 480p to 2k, optional transcription guidance.

### 1. Calling the API

#### Install the Client

```bash
pip install inferencesh
```

#### Setup Your API Key
Set `INFERENCE_API_KEY` as an environment variable. Get your key from settings → api keys.

```bash
export INFERENCE_API_KEY="inf_your_key"
```

#### Run and Get Result

```python
import os
from inferencesh import inference

client = inference(api_key=os.environ["INFERENCE_API_KEY"])


result = client.run({
        "app": "falai/minimax-h3-max-lip-sync@5b72z385",
        "input": {
            "image": "https://example.com/file.png",
            "audio": "https://example.com/file.png"
        }
    })

print(result["output"])
```

#### Stream Live Updates

```python
import os
from inferencesh import inference

client = inference(api_key=os.environ["INFERENCE_API_KEY"])


## stream=True yields updates as they arrive
for update in client.run({
        "app": "falai/minimax-h3-max-lip-sync@5b72z385",
        "input": {
            "image": "https://example.com/file.png",
            "audio": "https://example.com/file.png"
        }
    }, stream=True):
    if update.get("progress"):
        print(f"progress: {update['progress']}%")
    if update.get("output"):
        print(f"output: {update['output']}")
```

### 2. Authentication
The API uses API keys for authentication. See the authentication docs for detailed setup instructions.

### 3. Files

#### Automatic Upload

```python
## local file paths are automatically uploaded
result = client.run({
    "app": "falai/minimax-h3-max-lip-sync@5b72z385",
    "input": {
        "image": "/path/to/local/image.png",  # detected & uploaded
        "audio": "https://example.com/audio.mp3",  # url passed through
    }
})
```

#### Manual Upload

```python
## upload and get a hosted URL
file = client.files.upload("/path/to/file.png")
print(file.uri)  # https://cloud.inference.sh/...
```

### 4. Schema

#### Input
- **image** (string) *required*: Image to animate. Aspect ratio between 0.4 and 2.5.
- **audio** (string) *required*: Speech audio to sync to, at least 5 seconds and up to 15 minutes. The output matches its length.
- **resolution** (string): Output resolution, at the supported aspect ratio nearest the image.
- **enable_transcription** (boolean): Transcribe the audio to guide lip synchronization.
- **seed** (integer): Random seed for reproducible generation.

#### Output
- **duration** (number): Output duration in seconds.
- **seed** (integer): Seed used for generation.
- **video** (string): Lip-synced video with the supplied soundtrack.

## other video apps

- [H3 Max Styles](https://inference.sh/apps/falai/minimax-h3-max-styles.md): $0.08/sec (768P)
- [H3 Max Insert Video](https://inference.sh/apps/falai/minimax-h3-max-insert-video.md): $0.05/sec 480p, $0.06/sec 768p
- [H3 Max 3D to Video](https://inference.sh/apps/falai/minimax-h3-max-3d-to-video.md): $0.50/request + $0.05/sec (480P), $0.08/sec (768P), $0.16/sec (1080P) + $0.10/generated ref; 5s min
- [H3 Max Recast](https://inference.sh/apps/falai/minimax-h3-max-recast.md): $0.30/sec at 768P, $0.45/sec at 1080P
- [H3 Max Relight](https://inference.sh/apps/falai/minimax-h3-max-relight.md): $0.05/s 480P, $0.08/s 768P, $0.16/s 1080P, $0.32/s 2K; up to 15s/video

## faq

### how much does H3 Max Lip Sync cost?

480P $0.05/s, 768P $0.08/s, 1080P $0.16/s, 2K $0.32/s; +20% if >15s. you pay per run from your inference shell credits. no subscription is required.

### how do I run H3 Max Lip Sync via api?

call falai/minimax-h3-max-lip-sync with the javascript or python sdk, the rest api, or `belt app run falai/minimax-h3-max-lip-sync` from a terminal. the api reference on this page lists every input.

### who makes H3 Max Lip Sync?

H3 Max Lip Sync is made by falai and runs on inference shell. every falai app is listed at https://inference.sh/apps/falai.

### can my agent use H3 Max Lip Sync?

yes. agents call it as a tool through the inference shell mcp server (https://api.inference.sh/mcp), the belt cli or the sdk, and pay per run like you do.

### what are the alternatives to H3 Max Lip Sync?

other video apps on inference shell include H3 Max Styles, H3 Max Insert Video, H3 Max 3D to Video, H3 Max Recast. they run through the same api, so switching is a one-line change.