Silero VAD
by snakers4 / Silero
Tiny, accurate voice-activity-detection model — runs on CPU.
TL;DR
Tiny, accurate voice-activity-detection model — runs on CPU.
Best for front-end VAD for any streaming ASR pipeline. Pricing: free.
Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Linux, macOS, Windows, Android, iOS, Edge
What it is
A few-MB pre-trained VAD that runs in milliseconds per chunk. MIT.
Best for: Front-end VAD for any streaming ASR pipeline.
Watch out for: Detects speech only, not phonemes; some false positives on music.
Watch out for: Detects speech only, not phonemes; some false positives on music.
Install / use
pip install silero-vad
Features
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | Yes |
| Languages supported | 99 |
| HIPAA eligible | No |
Silero VAD vs Whipscribe
| Feature | Silero VAD | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | free beta |
| Speaker diarization | No | Yes |
| Word timestamps | No | Yes |
| Streaming | Yes | No |
| Languages | 99 | 99 |
| Platforms | Linux, macOS, Windows, Android, iOS, Edge | Web, API, MCP |
Alternatives to Silero VAD
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