The whisper.cpp project ports OpenAI’s Whisper speech recognition model to C and C++.
Vosk
vsKaldi
Vosk vs Kaldi
How do Vosk and Kaldi compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Vosk | Kaldi |
|---|---|---|
| What it is | Vosk provides an offline speech recognition API for mobile devices and servers, with several programming language interfaces. | Kaldi provides an open toolkit for speech recognition and speech processing research. |
| Website | ||
| Type | Open-source project | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Android, iOS | Linux, Windows |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Vosk and Kaldi.
Open source
24 alternativesESPnet includes tools for end to end speech processing and related speech tasks.
Open source
24 alternativesThe wav2letter project provides an automatic speech recognition toolkit from Facebook AI Research.
Practice job interviews out loud with AI. Mock interviews tailored to your resume and role, plus coaching while you practice.
Paid
24 alternativesThe whisper-ctranslate2 command-line client works with the OpenAI Whisper client and uses CTranslate2.
Open source
24 alternativesSuperwhisper turns speech into polished text for use in apps such as Slack and Gmail, with recognition options listed for four operating systems.







