Vozo vs 
Silero VAD
Vozo vs Silero VAD compared for 2026 — features, license, ease of use, performance and which one to choose. Dub video in the speaker's own cloned voice vs Detect speech in audio, instantly.
Updated regularly · curated by olud.ai
Vozo vs Silero VAD at a glance
| Spec | Vozo | Silero VAD |
|---|---|---|
| Category | Speech (STT / TTS) | Speech (STT / TTS) |
| Type | Video dubbing & translation (SaaS) | Voice activity detection |
| License | Proprietary | MIT |
| Runs locally | No | Yes |
| Primary language | — | Python |
| Ease of use | Beginner | Beginner |
| Best for | teams localising product, course or social video without an editing suite | real-time voice assistants |
| GitHub stars | — | 10.1k |
How Vozo and Silero VAD score
| Criterion | Vozo | Silero VAD |
|---|---|---|
| Popularity | n/a | 3.0 |
| Maintenance | n/a | 5.0 |
| Ease of use | 5.0 | 5.0 |
| Privacy | 3.5 | 5.0 |
| License freedom | 1.5 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
Vozo
Vozo is a commercial web app that runs a whole video-localisation pipeline in one pass: speech recognition, translation, text-to-speech with voice cloning, lip synchronisation and on-screen text replacement. It advertises 160+ target languages and regional accent variants. It is closed source and hosted only — the video is uploaded to their servers — with a free tier before subscription.
- One pass from source video to dubbed video, no tool switching
- Voice cloning with a choice of regional accent, not a generic AI voice
- Re-translates text baked into the picture — slides, captions, overlays
Silero VAD
Silero VAD detects which parts of an audio stream contain speech, in under a millisecond per chunk — essential for real-time voice pipelines.
- Sub-millisecond detection
- Tiny model, runs anywhere
- Essential for streaming voice
Key differences
Vozo is video dubbing & translation (SaaS), while Silero VAD is voice activity detection. Their licenses differ (Proprietary vs MIT), which matters if you ship a commercial product. They also differ in how they run (No vs Yes). In short, Vozo fits teams localising product, course or social video without an editing suite, and Silero VAD fits real-time voice assistants.
Which should you choose?
Choose Vozo for teams localising product, course or social video without an editing suite. Choose Silero VAD for real-time voice assistants.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is Vozo or Silero VAD easier to use?
Both sit at a similar level (Beginner). Your choice should come down to fit rather than difficulty.
Are Vozo and Silero VAD free?
Vozo is free to use but closed source, and Silero VAD is free and open source (MIT). Neither charges for the core software.
Can I run Vozo and Silero VAD locally?
Vozo: no · Silero VAD: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
Vozo vs Silero VAD — which should I pick in 2026?
Choose Vozo for teams localising product, course or social video without an editing suite. Choose Silero VAD for real-time voice assistants.
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