RealtimeSTT is a Python library for real-time speech-to-text with advanced voice activity detection, wake word activation, and instant transcription. It combines WebRTC VAD, Silero VAD, and Faster Whisper for production-grade voice input in agent applications.
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Added June 2, 2026
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---
name: "RealtimeSTT Low-Latency Speech-to-Text Python Library"
slug: "realtimestt-low-latency-speech-to-text-python"
description: "RealtimeSTT is a Python library for real-time speech-to-text with advanced voice activity detection, wake word activation, and instant transcription. It combines WebRTC VAD, Silero VAD, and Faster Whisper for production-grade voice input in agent applications."
github_stars: 9615
verification: "security_reviewed"
source: "https://github.com/KoljaB/RealtimeSTT"
category: "Media & Transcription"
framework: "Custom Agents"
tool_ecosystem:
github_repo: "koljab/realtimestt"
github_stars: 9615
---
# RealtimeSTT Low-Latency Speech-to-Text Python Library
RealtimeSTT is a Python library for real-time speech-to-text with advanced voice activity detection, wake word activation, and instant transcription. It combines WebRTC VAD, Silero VAD, and Faster Whisper for production-grade voice input in agent applications.
## Installation
Use the upstream install or setup path that matches your environment:
- pip install "RealtimeSTT[faster-whisper]"
- brew install portaudio
- python -m pip install -r example_fastapi_server/requirements.txt
Requirements and caveats from upstream:
- RealtimeSTT is a Python speech-to-text library for applications that need
- python
- python example_fastapi_server/server.py --host 0.0.0.0 --port 8010
Basic usage or getting-started notes:
- bash
- On Linux, install PortAudio headers before installing the package:
- sudo apt-get update
- Source: https://github.com/KoljaB/RealtimeSTT
- Extracted from upstream docs: https://raw.githubusercontent.com/KoljaB/RealtimeSTT/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/realtimestt-low-latency-speech-to-text-python/)
