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Mistral STT plugin guide

How to use the Mistral STT plugin for LiveKit Agents.

Overview

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

Quick reference

This section includes a basic usage example and some reference material. For links to more detailed documentation, see Additional resources.

Installation

Install the LiveKit Mistral AI plugin from PyPI:

pip install "livekit-agents[mistralai]~=1.2"

Authentication

The Mistral AI integration requires a Mistral AI API key.

Set the MISTRAL_API_KEY in your .env file.

Usage

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

from livekit.plugins import mistralai
session = AgentSession(
stt=mistralai.STT(
model="voxtral-mini-2507"
),
# ... llm, tts, etc.
)

Parameters

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

modelstringOptionalDefault: voxtral-mini-latest

Name of the Voxtral STT model to use.

Additional resources

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