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iOS 27 Beta 3: Customizable Siri

WireByte Staff · July 6, 2026

Apple's iOS 27 beta 3 allows users to fine-tune Siri's voice with pace and expressivity controls, enhancing personalization

Key points

  • Apple's vice president of Siri Engineering, Mike Rockwell, previewed the new Siri features at WWDC26
  • iOS 27 beta 3 enables Pace and Expressivity sliders with five adjustment levels for two available voices
  • Custom settings apply to Siri, Apple Maps, and Safari, with real-time audio sample updates
  • The update is part of Apple's effort to make Siri feel more natural and personal using generative AI
  • ChatGPT offers more advanced voice-customization options, including warmth, enthusiasm, and tone configuration

Apple has released iOS 27 beta 3, introducing customizable Siri voice controls. The update allows users to adjust the pace and expressivity of Siri's voice, enhancing personalization. This feature was first previewed by Mike Rockwell, Apple's vice president of Siri Engineering, at WWDC26. The Pace and Expressivity sliders, previously grayed out, are now active in iOS 27 beta 3. Users can choose from five adjustment levels for each of the two available voices. As they make changes, Siri plays a continuous audio sample that updates in real-time, allowing for instant feedback. These custom settings will also apply to Apple Maps and Safari, further integrating the personalized Siri experience into other Apple services. The update is part of Apple's broader effort to make Siri feel more natural and personal using generative AI. While this is a significant step forward, other AI assistants like ChatGPT offer more advanced voice-customization options, including adjustments for warmth, enthusiasm, and tone configuration.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.