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sherpa-onnx

Offline speech toolkit running ASR, TTS, VAD and diarization models via ONNX on desktops, phones and embedded boards.

  • k2-fsa (Next-gen Kaldi)
  • Local only
  • Free, open source

Official site · Source code

Where it ranks

Tools without a benchmark of their own inherit the tier of the best model they offer.

Facts

Vendor
k2-fsa (Next-gen Kaldi)
Approach
Local servers & APIs, Engines & APIs
Where it runs
Runs only on your own hardware
Interface
API, Command line
Skill level
Advanced: command line, node graphs or self-hosting
Price
Free, open source
Pricing notes
Free and open source.
Source code
Open source (Apache-2.0)
GitHub stars
15.4k (19 Oct 2026)
Last verified
19 Oct 2026

Price from github.com, 19 Oct 2026.

Models it gives you

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Sources