Vosk vs Speechmatics

Detailed comparison across 10 dimensions

Winner: Vosk

Vosk clearly comes out ahead of Speechmatics on Staquest's weighted six-dimension score. Both offer a free tier. Speechmatics's paid plans start at $0.24/mo.

Quick Overview

Overview	VoskOpen-source offline speech recognition toolkit.	SpeechmaticsHigh-accuracy AI speech-to-text API for enterprises.
Type	ai tool	ai tool
Company	Alpha Cephei	Speechmatics
Free Tier
Has API
Open Source
Trending	Stable	Stable
Industries	MarketingDevelopmentMedia & Entertainment	MarketingDevelopmentSales & CRM
Categories	ai-voice	ai-voice
Website	Visit	Visit

Dimension Scores

Winners by Dimension

Overall Winner

Vosk

Vosk: 7.7Speechmatics: 5.3(+2.4 pts)

Pricing Value

Vosk15% weight

Vosk

8.0

Speechmatics

1.0

Free Tier

Tie10% weight

Vosk

8.0

Speechmatics

8.0

Scalability

Tie10% weight

Vosk

9.4

Speechmatics

9.4

Integrations

Tie10% weight

Vosk

8.0

Speechmatics

8.0

Community

Tie5% weight

Vosk

3.1

Speechmatics

3.1

Open Source

Vosk5% weight

Vosk

7.0

Speechmatics

2.0

Pricing Comparison

Vosk

Vosk Open Source

Free

open source

18+ languages
Works offline
Mobile and server support
10 platforms

Vosk Enterprise

Contact sales

custom

More languages
Premium accuracy
Ongoing support
Technology training

Vosk Mobile

Contact sales

custom

More languages
Efficiency for the edge
iOS and Unity support
Ongoing support

Speechmatics

Free

View pricing

freemium

480 minutes of Speech-to-Text per month
2 concurrent real-time sessions
1 million characters of Text-to-Speech per month
Low-latency Text-to-Speech

Pro

~$0/mo

View pricing

usage based

480 minutes of Speech-to-Text per month
50 concurrent real-time sessions
10 file jobs per second
1 million characters of Text-to-Speech per month
Online email support

Enterprise

Contact sales

View pricing

custom

Unlimited scale
Flexible deployments
Audio alignment
No rate limits
Privacy-first deployment options
Multi-region cloud options
+5 more

Feature Comparison

Feature	vosk	speechmatics
10 Platforms
1 Million Characters Of Text-To-Speech Per Month
18+ Languages
10 File Jobs Per Second
Efficiency For The Edge
2 Concurrent Real-Time Sessions
Ios And Unity Support
480 Minutes Of Speech-To-Text Per Month
Mobile And Server Support
50 Concurrent Real-Time Sessions
More Languages
Audio Alignment
Ongoing Support
Custom Language Development
Premium Accuracy
Custom Models
Technology Training
Custom Voice Development
Works Offline
Flexible Deployments
Low-Latency Text-To-Speech
Multi-Region Cloud Options
No Rate Limits
Online Email Support
Prioritized Service And Support
Privacy-First Deployment Options
Saas Or On-Premises Deployment
Unlimited Scale

Showing 28 of 28 features

Dashes mean the feature isn't listed in our data. The tool may still support it.

Frequently asked questions

Is Vosk or Speechmatics better?

On Staquest's weighted six-dimension scoring, Vosk comes out ahead overall, though Speechmatics can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.

Does Vosk or Speechmatics have a free tier?

Both Vosk and Speechmatics offer a free tier.

Which is better for pricing value, Vosk or Speechmatics?

Vosk scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.

What are the main differences between Vosk and Speechmatics?

Vosk is open source. The feature comparison and dimension scores above cover the full breakdown.

View Vosk View Speechmatics