Soniox STT plugin guide

Available in

Python

Overview

This plugin allows you to use Soniox as an STT provider for your voice agents.

This section provides a quick reference for the Soniox STT plugin. For more information, see Additional resources.

Install the plugin from PyPI:

uv add "livekit-agents[soniox]~=1.2"

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

Set SONIOX_API_KEY in your .env file.

Use Soniox STT in an AgentSession or as a standalone transcription service. For example, you can use this STT in the Voice AI quickstart.

from livekit.plugins import soniox

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

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

modelstringOptionalDefault: stt-rt-preview

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

contextstringOptionalDefault: None

Free-form text that provides additional context or vocabulary to bias transcription towards domain-specific terms.

enable_language_identificationbooleanOptionalDefault: true

When true, the Soniox attempts to identify the language of the input audio.

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

The livekit-plugins-soniox package on PyPI.

Reference for the Soniox STT plugin.

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

Soniox's full docs site.

Get started with LiveKit Agents and Soniox.