Apple On‑Device Transcription Tops Whisper in Speed
Introduction On June 18, 2025, benchmark tests revealed that Apple’s on‑device transcription in iOS 26 and macOS Tahoe is more than twice as fast as OpenAI’s Whisper for converting speech to text. Background Apple first introduced speech‑to‑text tools in iOS 18.1. In iOS 26 Beta and macOS Tahoe, new APIs—SpeechAnalyzer and SpeechTranscriber—are powered by optimized on-chip AI…