sherpa-onnx

by k2-fsa

ONNX-runtime ASR: Whisper, Zipformer, Paraformer on every platform.

TL;DR

ONNX-runtime ASR: Whisper, Zipformer, Paraformer on every platform.

Best for cross-platform on-device ASR — Android/iOS/Linux/Web, no Python at runtime. Pricing: free.

Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Linux, macOS, Windows, iOS, Android, Web

What it is

ONNX-runtime inference for ASR/TTS/VAD/diarization. Ships Java/Kotlin/Swift/JS/.NET bindings. Apache-2.0.

Best for: Cross-platform on-device ASR — Android/iOS/Linux/Web, no Python at runtime.
Watch out for: ONNX export quality varies per model.

Install / use

pip install sherpa-onnx

Features

Speaker diarizationYes
Word-level timestampsYes
Streaming / real-timeYes
Languages supported60
HIPAA eligibleNo

sherpa-onnx vs Whipscribe

Featuresherpa-onnxWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfreefree beta
Speaker diarizationYesYes
Word timestampsYesYes
StreamingYesNo
Languages6099
PlatformsLinux, macOS, Windows, iOS, Android, WebWeb, API, MCP

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Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.