The result, up front Apple's new SpeechAnalyzer is the most accurate on-device speech engine we tested. It beat every Whisper model we ship, including Whisper Small, on both the clean and the noisy half of LibriSpeech, while running roughly three times faster than Small. And the API it replaces, SFSpeechRecognizer, came last on clean speech: behind even Whisper Tiny, a 40MB model. Enginetest-clean WERtest-other WERModel size Apple SpeechAnalyzer (iOS/macOS 26)2.12%4.56%system Whisper Small (Whis...