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

# Vertex AI Audio

> TTS with Google Cloud Vertex AI

Text-to-Speech using Vertex AI Gemini models.

## Setup

```bash theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
export GOOGLE_APPLICATION_CREDENTIALS=path/to/service-account.json
# or
export VERTEXAI_PROJECT=your-project-id
export VERTEXAI_LOCATION=us-central1
```

## Usage

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
from praisonaiagents import AudioAgent

agent = AudioAgent(llm="vertex_ai/gemini-2.5-flash-preview-tts")
agent.speech("Hello world!", output="hello.mp3")
```

## Models

| Model                                    | Description |
| ---------------------------------------- | ----------- |
| `vertex_ai/gemini-2.5-flash-preview-tts` | Gemini TTS  |