---
title: "Text To Speech"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/openai/audio/texttospeech
markdown: https://docs.nodetool.ai/nodes/openai/audio/texttospeech.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/openai/audio/texttospeech.md
---

# Text To Speech

**Type:** `openai.audio.TextToSpeech`

**Namespace:** `openai.audio`

## Description

Converts text to speech using OpenAI TTS models.
    audio, tts, text-to-speech, voice, synthesis

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| model | `enum` |  | `tts-1` |
| voice | `enum` |  | `alloy` |
| input | `str` |  | `` |
| speed | `float` |  | `1` |
| instructions | `str` | Steer the voice's tone, emotion, and delivery (gpt-4o-mini-tts only). | `` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `audio` |  |

## Related Nodes

Browse other nodes in the [openai.audio](./) namespace.