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Silero VAD vs WhisperX

Silero VAD and WhisperX are both Audio Generation tools in our directory. This side-by-side comparison covers pricing, editorial scores, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeSilero VADWhisperX
Product statusStatus not recordedStatus not recorded
VendorSilero TeamWhisperX community
Rating★ 4.6★ 4.6
PricingFreeFree
PlatformsLibrary, Python, ONNXLibrary, Python
Key featuresSpeech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examplesForced alignment and word timestamps, Optional pyannote speaker labels, Batched faster-whisper backend
Headquarters——
Launched——
Open sourceNoYes

Key differences

  • Silero VAD and WhisperX carry the same editorial score (4.6★).
  • Both Silero VAD and WhisperX use a Free model.
  • WhisperX is open source (its code is public), while Silero VAD is proprietary.
  • Silero VAD runs on Library, Python, ONNX; WhisperX runs on Library, Python.

Silero VAD and WhisperX at a glance

Silero VAD

Silero Team

Silero VAD is a downloadable voice-activity detector that marks speech intervals, with PyTorch and ONNX deployment options.

Rating
4.6★
Pricing
Free

Editorial verdict

Use it as a configurable speech-detection component and evaluate its thresholds in your full audio pipeline.

Strengths

  • Downloadable detector and deployment examples
  • No built-in registration or key required by the repository

Key features

  • Speech interval timestamps
  • 8 kHz and 16 kHz input
  • PyTorch/ONNX and streaming examples

Best for

  • ASR speech pre-segmentation
  • Voice-interface input gating
  • Speech/non-speech dataset preparation
Read the full Silero VAD review →

WhisperX

WhisperX community

WhisperX combines Whisper-based transcription, forced alignment for word timestamps and optional speaker diarization in a self-managed pipeline.

Rating
4.6★
Pricing
Free

Editorial verdict

Consider WhisperX for reviewable timed transcripts when you can manage each model, dependency and access condition.

Strengths

  • Transcription, alignment and speaker stages are explicit
  • Configurable local processing pipeline

Key features

  • Forced alignment and word timestamps
  • Optional pyannote speaker labels
  • Batched faster-whisper backend

Best for

  • Subtitle alignment drafts
  • Speaker-labelled interview transcripts
  • Audio corpus preparation with review
Read the full WhisperX review →

Feature overlap

  • The two tools have no listed features in common — see both feature lists above.
  • Silero VAD also lists: Speech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examples
  • WhisperX also lists: Forced alignment and word timestamps, Optional pyannote speaker labels, Batched faster-whisper backend

Frequently asked questions

Is Silero VAD or WhisperX better?

Silero VAD and WhisperX carry the same editorial score (4.6★), so the better choice depends on your needs — see the feature and platform comparison above.

Which is cheaper, Silero VAD or WhisperX?

Both Silero VAD and WhisperX use a Free pricing model.

Are Silero VAD and WhisperX open source?

WhisperX is open source, while Silero VAD is proprietary.

What platforms do Silero VAD and WhisperX support?

Silero VAD supports Library, Python, ONNX; WhisperX supports Library, Python.

What are the main features of Silero VAD and WhisperX?

Silero VAD: Speech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examples. WhisperX: Forced alignment and word timestamps, Optional pyannote speaker labels, Batched faster-whisper backend.

Visit Silero VAD →Visit WhisperX →

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