Soniox TTS plugin guide | LiveKit Documentation

Available in

Python

Overview

This plugin allows you to use Soniox as a TTS provider for your voice agents.

Install the plugin from PyPI:

uv add "livekit-agents[soniox]~=1.5"

The Soniox plugin requires an API key from the Soniox console .

Set SONIOX_API_KEY in your .env file.

Use Soniox TTS within an AgentSession or as a standalone speech generator. For example, you can use this TTS in the Voice AI quickstart.

from livekit.plugins import soniox

session = AgentSession(
    tts=soniox.TTS(
    ),
    # ... llm, stt, etc.
)

This section describes some of the available parameters. See the plugin reference for a complete list of all available parameters.

modelstringDefault: tts-rt-v1-preview

Soniox TTS model to use. See documentation for a complete list of supported models.

voicestringDefault: Maya

Voice to use for synthesis. For available options, see the Soniox TTS voices list .

languagestring]Default: en

Language code for the input text (such as "en", "es", "fr"). For supported values, see the Soniox TTS languages list .

The following resources provide more information about using Soniox with LiveKit Agents.

The livekit-plugins-soniox package on PyPI.

Reference for the Soniox TTS plugin.

View the source or contribute to the LiveKit Soniox TTS plugin.

Soniox's full docs site.