WhisperKit

by Argmax

Swift Whisper for Apple Silicon — CoreML, Metal, zero dependencies.

Category
Open source
License
MIT
Stars
★ 6.0k
Last push
2026-04-14
Pricing
free
Platforms
macOS, iOS, iPadOS, watchOS

What it is

WhisperKit is Argmax's Swift-native implementation of Whisper, optimized for CoreML and Apple Silicon. If you're building a Mac or iOS app and want on-device transcription with zero server cost, this is the reference choice. MIT-licensed.

Best for: Shipping Whisper inside iOS/macOS apps with CoreML acceleration and no server round-trip.
Watch out for: Apple ecosystem only; diarization is not built in.

Install / use

Swift Package Manager: add https://github.com/argmaxinc/WhisperKit

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeYes
Languages supported99
HIPAA eligibleNo

Links

GitHub repo ↗

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