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vosk-api
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vosk-api

Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

by alphacep · GitHub
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androidasrdeep-learningApache-2.0Jupyter NotebookSelf-hostable
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In plain words

Recognize speech in over 20 languages using an offline tool that works on various devices and programming languages.

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📈 Star history
15.0k14.9k
2026-06-282026-08-31
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Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

vosk-api has 15k stars on GitHub. It has been forked 1.7k times. vosk-api is written mainly in Jupyter Notebook. It has been in active development since 2019. vosk-api is available under the Apache-2.0 license. Its main topics are android, asr, deep-learning, deep-neural-networks.

Frequently asked questions

What is vosk-api?

Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

Is vosk-api open source?

vosk-api is an open-source project. It is released under the Apache-2.0 license.

Is vosk-api free?

Yes. vosk-api is free and open source — you can use, modify and self-host it.

What license does vosk-api use?

vosk-api is available under the Apache-2.0 license.

What language is vosk-api written in?

vosk-api is written mainly in Jupyter Notebook.

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