Apple's voice assistant Siri has long been a source of frustration for many iPhone users, especially when driving. Inaccurate responses, failure to understand context, and limited functionality have made it a liability behind the wheel. But with the upcoming iOS 27, Apple is introducing a completely revamped Siri powered by what it calls Apple Intelligence. This new generation of Siri aims to be more responsive, contextually aware, and capable of handling complex multi-step tasks.

To put this claim to the test, a recent real-world comparison was conducted using two iPhones: one running iOS 26 with the current Siri, and another running the iOS 27 public beta with the new Siri AI. The test took place inside a car with both devices connected to Apple CarPlay, simulating the exact conditions where a voice assistant needs to be most reliable. The results were decisive: in almost every scenario involving nuanced interactions, Siri AI proved far superior.

The Background of Siri's Evolution

Siri has been part of the iPhone since 2011, but its capabilities have lagged behind competitors like Google Assistant and Amazon Alexa. Users have complained about its inability to maintain conversational context, its reliance on web searches instead of personal data, and its frequent errors. With the advent of large language models (LLMs) and generative AI, Apple decided to overhaul Siri using its own in-house technology, branded as Apple Intelligence. This system processes requests on-device for privacy, but can also tap into cloud-based models for more demanding tasks.

The iOS 27 update represents the first major public rollout of this new Siri. It is available for iPhone 15 Pro and later models, including the entire iPhone 16 and iPhone 17 lineups. Users must install the public beta to access it now, though the official release is expected in September 2026. The test used an iPhone 15 Pro as a spare device, given the beta's potential instability.

The Car Setup and Test Methodology

Both phones were connected to the same vehicle using Apple CarPlay. The test involved ten distinct scenarios, ranging from simple navigation to educational explanations. The same requests were issued to both Siri versions, with the order varied to avoid bias. The tester also ensured that the iOS 26 phone had the same apps and data as the iOS 27 phone to isolate the Siri differences.

The scenarios were: 1) Get driving directions to a contact, 2) Adjust those directions to avoid tolls, 3) Find nearby restaurants and request ratings, 4) Ask for information about the current location, 5) Play specific music (The Beatles), 6) Execute a multi-part request (find lentil soup recipe, create shopping list, text itself), 7) Explain Einstein's theory of relativity, 8) Play a game, 9) Teach a language (Italian).

Detailed Test Results

1. Driving Directions to a Contact: Regular Siri failed to recognize the contact and instead showed a web search for doctors. Siri AI immediately identified the correct doctor from the user's contacts and plotted the route. Winner: Siri AI

2. Adjusting Directions: After receiving directions, the tester asked both to avoid toll roads. Regular Siri just provided generic information about toll avoidance. Siri AI seamlessly updated the existing route. Winner: Siri AI

3. Nearby Restaurants and Ratings: Both found restaurants, but when asked for ratings and reviews of those specific places, regular Siri often described a different set. Siri AI accurately referenced the currently displayed list. Winner: Siri AI

4. Current Location Information: Regular Siri said to search the web later. Siri AI instantly served up interesting facts about the town being driven through. Winner: Siri AI

5. Playing Beatles Music: Regular Siri defaulted to Sirius XM despite the user owning the music. Siri AI played from the user's library. Winner: Siri AI

6. Multi-Part Request: Regular Siri cannot handle multi-part requests. Siri AI executed all three steps correctly. Winner: Siri AI

7. Explaining a Topic: Regular Siri gave a one-source brief answer. Siri AI provided a cohesive explanation from multiple sources and suggested follow-up topics. Winner: Siri AI

8. Playing a Game: Regular Siri said to open an app. Siri AI offered coin flip, card draw, dice roll, or Rock Paper Scissors. It could not do trivia, indicating a serious design focus. Winner: Siri AI

9. Teaching a Language: Regular Siri again suggested searching later. Siri AI started an interactive Italian lesson. Winner: Siri AI

In all ten tests, Siri AI won. However, it was not perfect. The beta occasionally cut off the user mid-sentence or timed out, especially with complex multi-part requests. These are expected beta glitches that Apple will likely iron out before the official release.

What Makes Siri AI Different?

At its core, Siri AI leverages Apple's on-device large language model, which understands natural language better than the old rule-based system. It can follow context across conversations, recognize entities like contacts and locations, and perform actions that involve multiple apps. This is possible because Apple Intelligence integrates deeply with the operating system, allowing Siri to read and manipulate data across Messages, Maps, Music, Mail, and more.

Another key differentiator is the ability to ask clarifying questions. For example, when the user asked to explain relativity, Siri AI didn't just dump a Wikipedia summary; it offered to explore sub-topics like time dilation or space-time curvature. This conversational ability is a hallmark of modern AI assistants. Additionally, Siri AI can reason about time and place, which is crucial for driving scenarios. The test showed that it could differentiate between giving information about a current location versus a future destination.

Implications for Drivers and iPhone Users

The improvement in Siri's car performance is significant because it reduces distraction. When a driver has to glance at the screen to correct a bad route or manually search for something, it takes attention away from the road. Siri AI’s ability to handle complex requests with a single voice command, and to understand follow-ups, makes driving safer. Features like avoiding tolls, finding restaurants with good ratings, and playing music from one's library are all tasks that benefit from contextual intelligence.

For users who rely on Siri for productivity, such as setting reminders, sending texts, or checking calendars, the upgrade will be noticeable but not revolutionary. Both versions handled simple tasks equally well. The real value lies in the compound actions: “Save this recipe, add ingredients to my shopping list, and text it to my wife” is now possible in one go.

The test also highlighted that Siri AI is currently designed to be utilitarian rather than playful. It resisted playing a trivia game, suggesting that Apple is positioning it as a serious assistant rather than a toy. This may disappoint users who enjoy casual interactions with AI, but it aligns with the safety focus of a car environment. Over time, Apple may introduce more entertainment features through third-party integrations or updates.

Technical Requirements and Availability

To experience the new Siri, users need an iPhone 15 Pro, 15 Pro Max, or any iPhone 16 or 17 model. The iOS 27 public beta is now available without a waitlist, though it is recommended to install it on a secondary device. The setup for CarPlay is standard, and once the phone is connected, Siri AI automatically works as the default assistant. No additional subscriptions are required.

The official release of iOS 27 in September 2026 will bring the stable version of Siri AI to all compatible devices. Until then, beta testers can report bugs to Apple through the Feedback Assistant app. The test results suggest that even in its beta state, Siri AI dramatically outperforms the current Siri, especially in the car. If Apple can resolve the occasional timeouts and improve responsiveness, the final product could be a game-changer for iPhone users.

Source: ZDNET News