Comparison

Deepgram vs Vosk

On the evidence we track, Deepgram leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Deepgram full profile →Vosk full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

★Deepgram68

Vosk38

Attribute comparison across 2 tools
Attribute	DeepgramLeader	Vosk
Vioscale score	68 / 100low · 43%	38 / 100low · 28%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	freemium	-
Price levelpricing.price_level	low	-
Transparentpricing.transparent	✓	-
Integrations
Countintegrations.count	7	18
Security
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	3.3
Soc2security.soc2	✓	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=vosk&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	-	183
Github starsadoption.github_stars	-	15,076
Activity
Commits last 30dactivity.commits_last_30d	-	1
Release
Cadence daysrelease.cadence_days	-	51
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Jupyter Notebook
Market
Availabilitymarket.availability	Available worldwide · Popular in US, GB, EU	-

Score

Vioscale score

Deepgram68 / 100low · 43%

Vosk38 / 100low · 28%

Pricing

Free tier

Deepgram✓

Vosk–

Model

Deepgramfreemium

Vosk–

Price level

Deepgramlow

Vosk–

Transparent

Deepgram✓

Vosk–

Integrations

Count

Deepgram7

Vosk18

Security

Gdpr

Deepgram✓

Vosk–

Hipaa

Deepgram✓

Vosk–

Pci

Deepgram✓

Vosk–

Scorecard

Deepgram–

Vosk3.3

Soc2

Deepgram✓

Vosk–

Vulnerabilities

Deepgram–

VoskCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=vosk&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Deepgram–

Vosk183

Github stars

Deepgram–

Vosk15,076

Activity

Commits last 30d

Deepgram–

Vosk1

Release

Cadence days

Deepgram–

Vosk51

History

Deepgram–

Vosk20 items

License

Spdx

Deepgram–

VoskApache-2.0

Language

Primary

Deepgram–

VoskJupyter Notebook

Market

Availability

DeepgramAvailable worldwide · Popular in US, GB, EU

Vosk–

Capabilities

Feature-by-feature on the axes that matter for speech to text. “-” means undocumented, not absent.

Capability comparison for Speech To Text
Capability	Deepgram	Vosk
Capabilities
Real time streaming	-	-
Speaker diarization	-	-
Custom vocabulary	-	-
Fine tuning	-	-
Word timestamps	-	-
Punctuation formatting	-	-
Pii redaction	-	-
Vertical model	-	-
Offline on device	-	-
Open source	-	-

Capabilities

Real time streaming

Deepgram-

Vosk-

Speaker diarization

Deepgram-

Vosk-

Custom vocabulary

Deepgram-

Vosk-

Fine tuning

Deepgram-

Vosk-

Word timestamps

Deepgram-

Vosk-

Punctuation formatting

Deepgram-

Vosk-

Pii redaction

Deepgram-

Vosk-

Vertical model

Deepgram-

Vosk-

Offline on device

Deepgram-

Vosk-

Open source

Deepgram-

Vosk-

What each one is

The product in its own terms, so the numbers below have context.

Deepgram

Leader

A platform providing real-time speech-to-text, text-to-speech, and voice agent APIs with native support for understanding turn-taking, interruptions, and multi-speaker scenarios. Supports 45+ languages with features like speaker identification, smart formatting, and keyword recognition for enterprise and developer use cases.

Independently observed

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Deepgram

Leader

Usage-basedFree tier

From $0.0048/min for speech-to-text, $0.015/1k characters for text-to-speech. Free tier with $200 credit.

Pay As You GoFree
- Speech-to-text (45+ languages)
- Text-to-speech
- Voice Agent API
- Speaker diarization
- Smart formatting
- +4 more
EnterpriseContact sales
- Custom trained models
- On-premises or private cloud deployment
- Dedicated support
- HIPAA Business Associate Agreement
- Data Processing Agreement

as of 2026-08-19verify ↗

Vosk

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Deepgram	Vosk
WebPlatforms	✓	✗
iOSPlatforms	✗	✓
AndroidPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓

Platforms

Web

Deepgram✓

Vosk✗

iOS

Deepgram✗

Vosk✓

Android

Deepgram✗

Vosk✓

Linux

Deepgram✗

Vosk✓

CLI

Deepgram✓

Vosk✗

Deployment

Cloud / SaaS

Deepgram✓

Vosk✗

Self-hosted

Deepgram✓

Vosk✓

On-premise

Deepgram✗

Vosk✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Deepgram

Leader

7 total

Zapier
Genesys
Cisco
Avaya
Nuance
UniMRCP
Y Combinator

Independently observed

Vosk

18 total

Asterisk
Freeswitch
Jigasi
ROS
openFrameworks
Opencast
IBus
GStreamer
nerd-dictation
dicio-android
openaudiosearch
LVTerminal
Dexter
numenvoice
JustSayIt
OpenVoiceOS
CaptionIt
voice_perception

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.