With the most recent iOS 27 developer beta, Apple is giving testers an early have a look at one of many upcoming enhancements to its AI-powered Siri: the power to regulate how shortly and expressively the AI assistant speaks. In iOS 27 beta 3, out at the moment, Apple has enabled the voice controls for “Tempo” and “Expressivity” that had been beforehand labeled as “Coming quickly” within the first developer beta releases.
The replace is a part of Apple’s broader effort to make Siri really feel extra pure and private, because it rebuilds the assistant round generative AI. Like ChatGPT and others providing voice AI assistants, letting customers customise how the AI sounds is a vital side in serving to join folks with the brand new know-how.
Nonetheless, ChatGPT’s voice customization choices enable customers to go even additional, as the power to regulate the AI’s heat and enthusiasm was rolled out in December 2025, alongside choices to configure the bottom fashion and tone. The latter lets customers regulate OpenAI’s assistant to be extra pleasant, skilled, candid, or quirky, amongst different types. That is mirrored not solely in how ChatGPT speaks, but additionally the way it presents data to the consumer.
First launched at Apple’s Worldwide Developers Conference (WWDC 26) in June, Siri’s voice controls let customers personalize their Siri expertise past simply selecting a male or female-sounding assistant. Now, beta testers will be capable to change between a variety of voices with completely different accents, after which use sliders to alter how slowly or shortly Siri speaks and the way a lot human-like emotion its voice conveys.
As you make the changes, Siri will observe saying some widespread issues, like “You’ve gotten one new message,” so you will get a way of how the completely different voices sound.
The AI model of Siri is deeply built-in throughout the up to date model of iOS, the place it can enable iPhone house owners to begin conversations by talking, swiping down from the Dynamic Island on the prime of the display screen and typing, tapping on the cellphone’s facet button, and even through the use of the brand-new standalone Siri app.
Different, extra minor updates are additionally rolling out with iOS 27 beta 3, together with an updated Reminders app icon. (We should always word some folks on X are additionally reporting dropping entry to the brand new Siri after updating, or seeing their cellphone once more start indexing their knowledge — sometimes, step one in optimizing Siri AI for search.)
