O
OOpen-source voice dictation and bot-free meeting notes with on-device models
Free, from $6.67/mo
Vosk vs Wispr Flow
Pricing, features, platforms and who each one suits — side by side.
V
Choose Vosk if…
- you need an API to build on
- you want open source you can self-host or audit
- you work on Linux, Self-hosted
- you're in its core audience: software developers, embedded and iot engineers
W
Choose Wispr Flow if…
- you work on macOS, Windows
- you're in its core audience: professionals who write a lot of email and messages, developers
Side by side
Feature Vosk Wispr Flow
Pricing modelFreeFreemium
Starting priceFree$12/mo
Free plan
Free trial
API
Open source
Trains AI on your content—Yes, unless you opt out
Data retention—Local dictation history: keep, auto-delete after 24 hours, or never save
Security and compliance—SOC 2 Type II, ISO 27001, HIPAA
Speaker labels
Bot-free recording—
Mobile app capture—
HIPAA compliant—
MCP server—
PlatformsLinux, Android, iOS, API, Self-hostedmacOS, Windows, iOS, Android
CategoryTranscriptionTranscription
CompanyAlpha CepheiWispr AI, Inc.
Based in—United States
Founded——
Part of——
Key features
V Vosk
- Fully offline speech recognition
- Streaming API for real-time transcription
- Speaker identification
- Quick vocabulary reconfiguration
- Compact models of about 50 MB per language
- Larger server models available
- Bindings for Python, Java, C#, JavaScript and more
- Runs on Raspberry Pi, Android and iOS
W Wispr Flow
- Dictation that works in any app without plugins
- Automatic removal of filler words and repetitions
- Catches spoken self-corrections mid-sentence
- Personal vocabulary that learns names and jargon
- Voice-triggered text snippets
- Per-app writing style settings
- Auto-detection and transcription of 100+ languages
- Bot-free meeting notetaker with speaker identification
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Vosk
Open sourceFree
Wispr Flow
Free$0/mo
Pro$12/user/mo billed annually ($15 monthly)
Growth$18/user/mo billed annually ($23 monthly); $26/$33 with unlimited Notetaker
EnterpriseCustom
Strengths and limitations
Vosk
- Open source under the Apache-2.0 license
- Works fully offline, including on lightweight devices
- Supports 20+ languages and dialects
- Small models of about 50 MB each
- A developer toolkit, with no ready-made end-user app
- No commercial plans or pricing published on the site
Wispr Flow
- Free plan with no credit card, 2,000 words per week on desktop
- Works in any app on Mac, Windows, iPhone and Android
- SOC 2 Type II, ISO 27001 and HIPAA compliance
- Dictation and Notetaker included in one subscription
- Notetaker is only available on Mac and Windows
- Notetaker is disabled on BAA (HIPAA) accounts
- Unlimited Notetaker on Growth costs extra
- Bluetooth earbuds such as AirPods are not recommended for accuracy
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy