For ten years, Siri has been the assistant you put up with. Set a timer, maybe. Ask the weather. Then give up and type it yourself.
That might be about to change in a way nobody saw coming. Apple’s developer conference, WWDC, lands Monday, June 8. And one of the loudest leaks isn’t about a smarter Siri — it’s about a Siri you get to choose the brain for. Reports say iOS 27 will let you decide whether Google’s Gemini, Anthropic’s Claude, or OpenAI’s ChatGPT does the heavy lifting when you ask Siri something hard.
If that’s true, it’s a genuinely new idea. Your phone wouldn’t pick the AI for you. You would. And most people have no idea there’s even a difference between these three — let alone which one to pick. So let’s fix that.
What “Extensions” actually means
Here’s the short version. Bloomberg’s Mark Gurman — the reporter Apple leaks tend to run through — says iOS 27 includes a new system called Extensions. If you’ve got an AI app installed (Gemini, Claude, whatever), Extensions lets that app plug into Siri and Apple’s other AI tools.
In plain terms: there’d be a settings page where you flip on the AI assistants you want Siri to be able to hand questions off to. There’s reportedly a dedicated App Store section to find and install them. You toggle each one on or off.
This isn’t completely out of nowhere. Right now, today, Siri can already pass a tough question to ChatGPT — you’ve probably seen the “Ask ChatGPT?” prompt pop up. Extensions takes that one-partner setup and blows it open to several. ChatGPT loses its special spot. Gemini and Claude get to play too.
One thing worth being honest about: reporters describe this as you choosing which AI handles a request, the same way the ChatGPT hand-off works now — not Siri silently swapping brains behind your back. You stay in the driver’s seat.
The honest caveat. None of this is official. Apple hasn’t announced any of it. Everything above is leak reporting — well-sourced leak reporting that multiple outlets agree on, but still a rumor until Tim Cook stands on stage June 8. There’s also a fancier version floating around — the idea that you could set different AIs for different jobs (Gemini for research, Claude for writing, ChatGPT for creative stuff). That part is speculation. It hasn’t shown up in the actual leaked screenshots. Treat it as “maybe,” not “confirmed.”
Quick note on the other Siri story: there’s a separate deal where Apple is reportedly paying Google about $1 billion a year to use a giant custom Gemini model to power Siri’s core smarts. That model is said to run on Apple’s own private servers — not Google’s — so your data stays on Apple’s side. That’s the engine under the hood. Extensions is the part where you get to bolt on a different engine for specific tasks. Two different things, easy to mix up.
So which AI should you actually pick?
This is the part nobody’s explaining, and it’s the whole point. Saying “pick Claude or Gemini or ChatGPT” is useless if you don’t know what makes them different. After a couple of years of these tools, here’s the plain-English version — the stuff that actually shows up when you use them.
ChatGPT is the generalist everyone knows. It’s friendly, it’s fast, it’s great at brainstorming, explaining things simply, and writing a first draft of almost anything. If you want one assistant that’s good at most things and never makes you think too hard, it’s ChatGPT. It’s the safe default.
Gemini is Google’s, and its edge is that it lives in Google’s world. It’s strong at pulling current info from the web, working with your Gmail and Google stuff, and handling images and long documents. If your life runs on Google — calendar, mail, docs — Gemini tends to get that context. It’s also the model reportedly powering Siri’s core anyway, so picking it keeps things in one family.
Claude is Anthropic’s, and the thing people quietly love it for is writing and thinking. It tends to sound less robotic. It’s careful, it’s good with nuance, it handles long, messy documents well, and it’s the one a lot of writers and professionals reach for when the words actually matter. If you draft a lot — emails, posts, reports — Claude’s tone is usually the most human of the three.
Here’s the cheat sheet:
None of these is “the best.” They’re good at different things. The whole reason letting you choose is exciting is that you know what you do all day — and now your phone might finally let you match the tool to the task.
What this means for you
If you’ve never thought about AI models before: Don’t panic. You won’t have to choose. There’ll be a default, and it’ll be fine for most people. The choice is there if you want it — like picking a default browser. Start with ChatGPT or whatever Siri suggests, and only switch if something annoys you.
If you already use one AI every day: Good news — you’ll probably get to make it your Siri’s brain too. If you live in ChatGPT, keep ChatGPT. If you’ve fallen for Claude’s writing, you may finally get Claude one swipe away. The tool you already trust can follow you onto the lock screen.
If you’re a heavy writer (emails, posts, documents): This is the upgrade to watch. Siri’s been useless for real writing. A version backed by Claude or ChatGPT, sitting in a swipe-down bar, could actually draft the thing while you walk to your car. Worth setting up properly when it lands.
If you’re an Android-curious iPhone holdout: The pick-your-AI angle is partly Apple keeping you. People on social media literally said this leak makes them want to stay with iPhone longer. If model choice mattered enough to make you eye a Pixel, iOS 27 might pull you back.
If you bought your iPhone before 2023: Read the limits section. This one might not be for you yet.
What it can’t do (yet)
Let’s keep this grounded, because the hype is loud.
It’s not real until June 8. Everything here is a leak. Apple could ship a watered-down version, delay it, or surprise everyone. Don’t make plans around a feature that hasn’t been announced.
Your iPhone might not qualify. Reports say iOS 27 itself runs on iPhone 12 and newer. But the new AI Siri features reportedly need an iPhone 15 Pro or later. So you could install iOS 27 and still not get the fancy new Siri. That’s a real gap that’s going to disappoint a lot of people.
It ships in the fall, not next week. The reveal is June 8. The actual release lands around the September iPhone launch, with the full feature set trickling in after that. This is a “coming later this year” story, not a “download it Monday” one.
The per-task magic isn’t confirmed. That dreamy “Gemini for research, Claude for writing” setup? Not in the leaks. You may just get to pick one assistant Siri can hand off to — still good, but simpler than the headlines suggest.
More AI access means more to think about. Letting a third-party model handle your requests means your words, and sometimes your context, go to that company. Apple’s own engine reportedly keeps data on Apple’s servers — but an Extension you turn on is a different company’s tool. Worth a glance at what each one does with your data before you flip it on.
The bottom line
The most interesting thing about iOS 27 isn’t a smarter Siri. It’s the idea that Apple might stop deciding which AI is smart enough for you, and hand that call to you instead. That’s a small revolution in how your phone treats you — as someone with a preference, not a problem to manage.
But a choice is only useful if you understand the options. ChatGPT, Gemini, and Claude really are different, and the difference matters more than the marketing lets on. If you’d rather walk into June 8 already knowing which one fits how you work — instead of guessing at a settings screen in the fall — that’s exactly what our ChatGPT vs Claude course is for. Spend an hour now, pick like a pro later.
Your Siri’s about to get a brain transplant. Might as well choose the brain.
Sources
- iOS 27 will let you choose between Gemini, Claude, and more for AI features (9to5Mac)
- iOS 27 Will Let You Pick Claude or Gemini Instead of ChatGPT for Apple Intelligence (MacRumors)
- WWDC 2026 Preview: iOS 27 Lets Users Pick AI Model, Siri Rebuilt (Tom’s Guide)
- WWDC 2026: Everything Apple Is Expected to Announce on June 8 (Newsweek)
- WWDC 2026: new Siri, Gemini deal and iOS 27 (RedShark)
