AsyncAI TTS plugin guide | LiveKit Documentation

Available in

Python

Overview

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

Installation

Install the plugin from PyPI:

uv add "livekit-agents[asyncai]~=1.4"

Authentication

The AsyncAI plugin requires an AsyncAI API key.

Set ASYNCAI_API_KEY in your .env file.

Usage

Use AsyncAI 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 asyncai

session = AgentSession(
   tts=asyncai.TTS(
      model="async_flash_v1.0",
   )
   # ... llm, stt, etc.
)

Parameters

This section describes some of the parameters you can set when you create an AsyncAI TTS. See the plugin reference links in the Additional resources section for a complete list of all available parameters.

modelstr | TTSModelsOptionalDefault: async_flash_v1.0

The AsyncAI TTS model to use. Defaults to "async_flash_v1.0". To learn more, see the AsyncAI documentation.

voicestrOptionalDefault: e0f39dc4-f691-4e78-bba5-5c636692cc04

Voice identifier to use for generation. See the voice library for available voice IDs.

languageLanguageCodeOptionalDefault: None

Language code for synthesis. For supported languages, see the AsyncAI documentation.

Additional resources

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

Python plugin

Reference GitHub PyPI

AsyncAI docs

AsyncAI TTS docs.

Voice AI quickstart

Get started with LiveKit Agents and AsyncAI TTS.