Comparison

Deepgram vs Vosk

On the evidence we track, Deepgram leads this comparison with a composite score of 62/100. 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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

★Deepgram62

Vosk48

Attribute comparison across 2 tools
Attribute	DeepgramLeader	Vosk
vioscaleAI score	62 / 100medium · 55%	48 / 100low · 39%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	open_source
Price levelpricing.price_level	high	free
Starting pricepricing.starting_price	$4,000	-
Transparentpricing.transparent	✓	-
Integrations
Countintegrations.count	6	18
Security
Certificationssecurity.certifications	SOC 2 Type II, SOC 2 Type I, GDPR, HIPAA, PCI DSS, CCPA	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	3.3
Soc2security.soc2	✓	-
Trust centersecurity.trust_center	https://deepgram.com/learn/python-script-compliance	-
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	-	15,174
Activity
Commits last 30dactivity.commits_last_30d	-	3
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	-
Content
Faqcontent.faq	7 items	5 items

Score

vioscaleAI score

Deepgram62 / 100medium · 55%

Vosk48 / 100low · 39%

Pricing

Free tier

Deepgram✓

Vosk✓

Model

Deepgramfreemium

Voskopen_source

Price level

Deepgramhigh

Voskfree

Starting price

Deepgram$4,000

Vosk–

Transparent

Deepgram✓

Vosk–

Integrations

Count

Deepgram6

Vosk18

Security

Certifications

DeepgramSOC 2 Type II, SOC 2 Type I, GDPR, HIPAA, PCI DSS, CCPA

Vosk–

Gdpr

Deepgram✓

Vosk–

Hipaa

Deepgram✓

Vosk–

Pci

Deepgram✓

Vosk–

Scorecard

Deepgram–

Vosk3.3

Soc2

Deepgram✓

Vosk–

Trust center

Deepgramhttps://deepgram.com/learn/python-script-compliance

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–

Vosk15,174

Activity

Commits last 30d

Deepgram–

Vosk3

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

Vosk–

Content

Faq

Deepgram7 items

Vosk5 items

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

A lightweight speech recognition toolkit that works offline and supports over 20 languages. It provides real-time transcription with small models (50 MB) optimized for devices ranging from Raspberry Pi to large clusters.

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

from $4000/yrUsage-basedFree tier

From $0.0042/min STT. Free $200 credit on signup. Growth plan $4,000+/year with higher limits.

Pay As You GoFrom $0.0042/min STT or $0.045/1k chars TTS. Free $200 credit included.
- Real-time and batch processing
- 45+ languages
- Speaker diarization
- PII redaction
- Smart formatting
- +1 more
Growth$4,000+/year
- All public model endpoints
- Higher concurrency limits
EnterpriseContact sales

as of 2026-09-29verify ↗

Vosk

Open source

as of 2026-10-15verify ↗

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

9 total

Zapier
Genesys
Cisco
Avaya
Nuance
UniMRCP
Y Combinator
TensorFlow.js
AudioCodes VoiceAI Connect

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

Still deciding?

Deepgram or Vosk: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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