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AssemblyAI vs Silero VAD

AssemblyAI and Silero VAD 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

AttributeAssemblyAISilero VAD
Product statusStatus not recordedStatus not recorded
VendorAssemblyAISilero Team
Rating★ 4.5★ 4.6
PricingPay-as-you-goFree
PlatformsAPILibrary, Python, ONNX
Key featuresRecorded and streaming STT, Optional speaker diarization, Sentiment, topics and summariesSpeech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examples
Headquarters——
Launched——
Open sourceNoNo

Key differences

  • Silero VAD carries the higher editorial score (4.6★ vs 4.5★).
  • AssemblyAI is Pay-as-you-go, while Silero VAD is Free.
  • AssemblyAI runs on API; Silero VAD runs on Library, Python, ONNX.

AssemblyAI and Silero VAD at a glance

AssemblyAI

AssemblyAI

Speech APIs for recorded and streaming transcription, with optional speaker labels and transcript analysis that vary by model.

Rating
4.5★
Pricing
Pay-as-you-go

Editorial verdict

Choose by audio mode, language and add-ons, then test your own recordings before relying on the transcript or analysis.

Strengths

  • Different APIs for recorded and live audio
  • Documented analysis options over transcripts

Key features

  • Recorded and streaming STT
  • Optional speaker diarization
  • Sentiment, topics and summaries
  • Model-dependent language support

Best for

  • Reviewed interview transcription
  • Call analytics with human checks
Read the full AssemblyAI review →

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 →

Feature overlap

  • The two tools have no listed features in common — see both feature lists above.
  • AssemblyAI also lists: Recorded and streaming STT, Optional speaker diarization, Sentiment, topics and summaries, Model-dependent language support
  • Silero VAD also lists: Speech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examples

Frequently asked questions

Is AssemblyAI or Silero VAD better?

By editorial score, Silero VAD scores higher (4.6★ vs 4.5★). Both are capable Audio Generation tools, so review the feature comparison for your use case.

Which is cheaper, AssemblyAI or Silero VAD?

AssemblyAI is Pay-as-you-go and Silero VAD is Free. Check each product page for current plan details.

Are AssemblyAI and Silero VAD open source?

No — neither AssemblyAI nor Silero VAD is open source.

What platforms do AssemblyAI and Silero VAD support?

AssemblyAI supports API; Silero VAD supports Library, Python, ONNX.

What are the main features of AssemblyAI and Silero VAD?

AssemblyAI: Recorded and streaming STT, Optional speaker diarization, Sentiment, topics and summaries, Model-dependent language support. Silero VAD: Speech interval timestamps, 8 kHz and 16 kHz input, PyTorch/ONNX and streaming examples.

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