The New Siri Runs on Google Gemini: What iOS 27 Actually Changes (2026)
The New Siri Runs on Google Gemini:
What iOS 27 Actually Changes
Apple just handed the brain of Siri to its biggest rival. Here's exactly what's changing, which iPhones qualify, and what it means that the assistant on your iPhone now runs on Google's AI.
⚡ TL;DR — The Short Version
At WWDC 2026, Apple unveiled a completely rebuilt Siri running on a custom 1.2-trillion-parameter Google Gemini model — reportedly costing Apple around $1 billion a year. It's a standalone, chatbot-style app similar to ChatGPT or Gemini, with conversation history and personal context. The catch: full AI capabilities need an iPhone 15 Pro or newer with an A17 Pro chip. iOS 27 arrives publicly around September 2026, with developer betas already underway since June 8.
Apple Just Did Something It's Never Done Before
For years, Siri was the AI assistant everyone made jokes about — slow, often confused, and visibly behind ChatGPT and Gemini. At WWDC 2026, Apple did something genuinely unprecedented to fix it: it handed the brains of Siri to a direct rival.
The rebuilt assistant now runs on a custom Google Gemini model, unveiled alongside iOS 27 and a new family of "27" operating systems across every Apple platform. It was also Tim Cook's final WWDC keynote as Apple's CEO — and by most accounts, he used it to fix the one product that has dogged his recent tenure the most.
Here's the part worth sitting with for a moment: Apple has spent two years promising a smarter Siri that never fully arrived — to the point that it reportedly reached a roughly $250 million class-action settlement in May 2026 with iPhone buyers over AI features that were advertised but never shipped on time. The Gemini-powered Siri shown at WWDC is, by most reporting, the very product that settlement was waiting on.
What's Actually New in Siri
This isn't a minor update — multiple outlets covering the keynote describe it as a genuine rethink rather than a tune-up. Here's what changes:
- A standalone Siri app. For the first time, Siri has a dedicated, chatbot-style interface — similar in feel to ChatGPT or Gemini — rather than living only as a voice overlay.
- A type-and-chat interface. An "Ask Siri" bar lets you type questions and attach images, PDFs, and documents via a paperclip icon, much like you would in any modern AI chat app.
- Dynamic Island integration. Siri is now more accessible through a simple swipe, redesigned around the Dynamic Island rather than a separate activation method.
- Conversation history and personal context. Siri can now adapt to your preferences and reference past interactions, rather than treating every request as a blank slate.
- An "Ask Siri" button inside apps. Apple is integrating this directly into app menus, letting you send content to Siri alongside a request from wherever you are.
- A distinct dark visual design. The new Siri interface uses dark colors with no light mode option, with accent colors echoing Apple's WWDC 2026 branding.
Bloomberg reportedly shared a mockup of the standalone Siri app showing an interface visually similar to other chatbot apps you may already use. Rather than a quick voice command and a short reply, the new Siri is built for back-and-forth conversation — ask a follow-up, attach a document, and pick up where you left off later.
Which iPhones Actually Get the Full Experience
This is the detail that matters most if you're deciding whether to upgrade. The headline features are not available on every iPhone that can install iOS 27 — there's a real hardware floor.
| Requirement | Detail |
|---|---|
| Minimum chip | A17 Pro or newer |
| Minimum model | iPhone 15 Pro or newer |
| Minimum RAM | 8GB or more |
| iPhone 11 / 2nd-gen SE | Not supported — drops off iOS 27 entirely |
| Older supported iPhones | Get iOS 27 software updates, but not full Gemini-powered Siri |
| Developer beta | Began June 8, 2026 |
| Public beta | Expected July 2026 |
| Public release | Expected around September 14, 2026 |
So if you're on an iPhone 15 Pro, 16, or newer, you're set for the complete experience. If you're on an older but still-supported iPhone, you'll get iOS 27's general improvements but miss the headline Gemini-powered Siri capabilities. And if you're on an iPhone 11 or the second-generation iPhone SE, iOS 27 doesn't support your device at all — security updates are expected to stop after autumn 2026.
Why Apple Chose Google's Gemini Specifically
This is the part that surprised the industry most. Apple has spent years building its own "Apple Intelligence" branding, yet for the model actually doing the thinking, it turned to one of its most direct AI competitors. According to Bloomberg's reporting, Apple is paying Google roughly $1 billion per year for a custom Gemini model built specifically to power Siri — a figure Apple has not officially confirmed, so it should be treated as reported rather than certain.
What is more firmly confirmed: Google Cloud CEO Thomas Kurian publicly acknowledged the arrangement at Google Cloud Next '26, describing a custom 1.2-trillion-parameter model licensed specifically for this purpose. For Google, it's a remarkable position — the same Gemini model family discussed at Google I/O 2026 is now quietly running the most-used voice assistant on the planet.
Apple has emphasized one privacy detail throughout: AI request data is deleted as soon as a request is executed, an attempt to address the obvious privacy concerns that come with routing Siri requests through a third party's AI model.
What This Means If You're a Developer
If you build iPhone apps, this update carries real, near-term consequences. Apple has made App Intents the mandatory way Siri communicates with third-party apps, while SiriKit — the previous framework — is now on a deprecation clock. Existing SiriKit apps will keep working for now but will show compile-time deprecation warnings, with Apple signaling roughly a two-to-three-year support window before it's phased out entirely.
The Bigger Picture: What This Says About the AI Race
Step back from the feature list, and this announcement says something larger about where the AI industry stands in 2026. Apple, a company famous for building everything in-house, concluded that licensing a rival's frontier model was the faster, more reliable path to finally fixing Siri — rather than continuing to develop a competitive model purely in-house.
That's a meaningful admission from the world's most valuable consumer hardware company. It also puts a single Gemini model family in an unusual position: powering both Google's own products and now the default assistant on hundreds of millions of iPhones worldwide.
Frequently Asked Questions
Final Thoughts
This is one of the rare moments where a single keynote slide — Siri now runs on Google Gemini — genuinely reshapes how you should think about an entire ecosystem. For Apple, it's an unusually candid admission that building a competitive frontier model in-house wasn't winning the race fast enough. For everyday iPhone users, it's the most consequential Siri update in over a decade, assuming your hardware qualifies.
If you own a recent iPhone, keep an eye on the public beta this summer and the full release in September. If you're on an older device that won't get the full experience — or won't get iOS 27 at all — this is a good moment to start thinking about your next upgrade rather than waiting until support quietly runs out.
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