What is Vosk?
Vosk enables voice-to-text conversion that runs locally without internet connectivity, supporting over 20 language variants with portable models suitable for mobile and embedded systems. It provides real-time streaming capabilities and allows dynamic vocabulary adjustment.
Platform & deployment
Independently observed- iOS
- Linux
- Android
- On-premise
- Self-hosted
Integrations (18)
Independently observed- Asterisk
- Freeswitch
- Jigasi
- ROS
- openFrameworks
- Opencast
- IBus
- GStreamer
- nerd-dictation
- dicio-android
- openaudiosearch
- LVTerminal
- Dexter
- numenvoice
- JustSayIt
- OpenVoiceOS
- CaptionIt
- voice_perception
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Vosk alternatives
Other speech to text we track, ranked by the same independent score.
- SpeechmaticsMultilingual speech-to-text and text-to-speech APIs deployable in cloud, on-premises, or on-device environmentsmedium · 55%
- AssemblyAIAPIs for converting audio to text and building voice-driven applications with real-time and recorded processingmedium · 60%
- whisper.cpplow · 24%
- DeepgramConversation-aware voice AI for transcription and synthesis at scalelow · 43%
- Amazon TranscribeAutomatic speech recognition service that converts spoken audio into written textlow · 34%
- faster-whisperlow · 28%
Compare Vosk
Side by side against other speech to text, attribute by attribute, with a source on every value.
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Vosk, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Release cadence | 72 | 0.05 | 3.7 | ✓ |
| Integrations | 37 | 0.07 | 2.6 | ✓ |
| Dependent projects | 38 | 0.06 | 2.4 | ✓ |
| Stars | 79 | 0.03 | 2.0 | ✓ |
| Security score | 33 | 0.04 | 1.4 | ✓ |
| Development activity | 10 | 0.09 | 0.9 | ✓ |
| Capabilities | 0 | 0.08 | 0.0 | - |
| Security posture | 0 | 0.07 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 1 | mediumsource · 2026-08-26 · 65% |
Adoption
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 18 | mediumsource · 2026-08-20 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Jupyter Notebook | highsource · 2026-08-26 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-08-26 · 95% |