WhisperKit

Repo

WhisperKit is part of Argmax OSS, an On-device Speech AI SDK for Apple Silicon: https://github.com/argmaxinc/argmax-oss-swift

Paper

Check out the WhisperKit paper and presentation from ICML 2025: https://icml.cc/virtual/2025/47854

Pro

For real-time transcription with speakers and custom vocabulary, check out Argmax Pro SDK: https://www.argmaxinc.com/blog/argmax-sdk-2