Apple finally lets you pick your AI. The hard part starts on Tuesday.

The first real decision iOS 27 hands you is not a wallpaper or a ringtone. It is which artificial intelligence you want running your phone. I installed the developer beta on Monday afternoon, a few hours after Apple posted it at the end of the keynote, and the setup flow now offers a choice the company spent the better part of a decade insisting you would never need: Siri, still, but also ChatGPT, Google's Gemini, or Anthropic's Claude underneath it, each given its own voice so you can hear which one you are talking to.

After an afternoon, I can tell you the choice is real. Whether it survives a normal week is the only question that matters, and it is the one no keynote answers.

The announcement came in Tim Cook's final keynote as chief executive. He hands the job to hardware chief John Ternus on September 1, and he spent his last turn onstage doing something Apple rarely does in public: admitting the old plan had not worked. Siri, the assistant Apple shipped in 2011 and then mostly apologized for, has been rebuilt on a custom 1.2-trillion-parameter version of Google's Gemini, licensed in a deal Apple struck in January for a reported billion dollars a year. The company that told you it made the whole widget now rents the most important part of it.

What Apple actually shipped

The new Siri is a different animal from the one you have been ignoring. It opens as a standalone app with a 'Search or Ask' gesture, lives in the Dynamic Island, and — this is the part that matters — can finally see your stuff: your email, photos, messages, calendar and files, plus whatever is on screen when you summon it. It can chain actions across apps, the trick Apple demoed in 2024, promised for 2025, and quietly delayed twice. iOS 27 Beta 1 went out to developers Monday afternoon; the public beta lands this summer. Apple Intelligence needs an iPhone 15 Pro or newer, and iPhone 11 owners are off the update list entirely.

The genuinely new idea is the one that sounds boring: choice. In iOS 27, iPadOS 27 and macOS 27 you can pick which model powers the Apple Intelligence features — Writing Tools, Image Playground, the summaries — and swap among ChatGPT, Gemini and Claude. Apple gave each a distinct voice, a small touch that does real work: you always know whose answer you are getting. No new hardware shipped, despite the HomePad rumors. The whole keynote was about the thing inside the phone, not the phone.

The company that told you it made the whole widget now rents the most important part of it.

The catch is the handoff

Here is what a demo hides and a Tuesday reveals. A single clean task looks magical: 'Siri, find the photos from Lena's birthday and text three to my sister.' Onstage it worked. In my kitchen on Monday it worked twice and then, on the third try, sent two photos and a screenshot of my battery settings, with a confidence I found almost endearing. The trouble is never the one task. It is the handoff — the moment personal context, an on-screen action and a third-party model have to agree on what you meant. That is exactly the seam where these systems start guessing, and a guess wearing your sister's name on it is just an apology you have to send later.

And the choice itself adds friction the keynote skipped. The three models do not behave the same. Ask Claude to draft a message and you get something careful and a little wordy; ask Gemini and it is faster and looser; ChatGPT splits the difference. Switching mid-week means re-learning the assistant's manners every time, which is the opposite of the invisible help Apple is selling. Choice is good. Choice is also work, and Apple has quietly handed that work to you.

Give Apple credit where it is due. Putting the model behind a switch, with a visible name and its own voice, is more honest than pretending one assistant speaks for the whole phone. It also hedges Apple's bet: if Gemini disappoints, Siri's plumbing can route around it. For a company this allergic to admitting dependence, building the dependence as a dropdown is almost graceful.

Who should update, who should wait

If you have an iPhone 15 Pro or newer and you already lean on an assistant for the small stuff — timers, messages, looking things up without typing — the new Siri is worth the public beta when it lands. If you tried Apple Intelligence in 2025, shrugged, and turned it off, this is the version that earns a second look, mostly because it can finally see your own data. If you are on anything older than the 15 Pro, none of this is for you yet, and no amount of keynote will change that until you buy a new phone — which, of course, is part of the point.

I keep a running list of the assistants I have installed and the ones I have since deleted; the deletions usually win. The new Siri goes on the list today with an honest asterisk: the most interesting thing Apple shipped is not a smarter Siri but a phone that finally admits it needs help, and lets you choose who gives it. Ask me again in a week, after a few more battery-settings screenshots have gone out under someone else's birthday photos. The keynote is the promise. The Tuesday is the product.