Soniox plugin for LiveKit Agents

Support for Soniox Speech-to-Text and Text-to-Speech APIs, using WebSocket streaming interfaces.

See STT documentation and TTS documentation for more information.

Installation

pip install livekit-plugins-soniox

Pre-requisites

The Soniox plugin requires an API key to authenticate. You can get your Soniox API key here.

Set API key in your .env file:

SONIOX_API_KEY=<your_soniox_api_key>

Usage

Speech-to-Text (STT)

Use Soniox STT in an AgentSession or as a standalone transcription service:

from livekit.plugins import soniox

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

Text-to-Speech (TTS)

Use Soniox TTS for real-time speech synthesis:

from livekit.plugins import soniox

session = AgentSession(
    tts=soniox.TTS(
        language="en",
        voice="Maya",
        speed=1.0,  # 0.7-1.3
    ),
    # ... stt, llm, etc.
)

The TTS supports real-time streaming from LLM - text chunks are tokenized and sent to Soniox as words are formed, enabling low-latency speech synthesis.

More information and reference

Explore integration details and find comprehensive examples:

Project links

Data verified by PyPI on Jul 18, 2026
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Key dates

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  • Released:
Newer release available (1.6.10)

Owner

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Credits

Author: Soniox

GitHub Statistics

Data verified by PyPI on Jul 18, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

Apache-2.0
View SPDX License List

Requires

Python >=3.10.0

Tags

audio livekit realtime soniox speech-to-text stt text-to-speech tts webrtc

Classifiers

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