Apple’s WWDC 2026 keynote on June 9 marked the most significant shift in the company’s AI strategy since the original ChatGPT integration in 2024.

With iOS 27, iPadOS 27, macOS Golden Gate, and watchOS 27 all announced in a single session, Apple revealed an “Extensions” system that lets

For more context, see our coverage of Florida Sues OpenAI Over ChatGPT Safety Claims.

Key Developments

every iPhone user choose their own AI model, ending ChatGPT’s exclusive role and opening Siri to Claude, Gemini, and any qualifying third-party provider.

The announcement confirmed what Bloomberg and MacRumors had reported since May: Apple is moving from bilateral AI deals to an open marketplace model.

Read also: Florida Sues OpenAI Over ChatGPT Safety Failures.

Background and Context

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What Experts Are Saying

The shift has immediate consequences for every iPhone user upgrading to iOS 27 this fall.

iOS 27 is the current-generation iPhone operating system, unveiled at WWDC 2026 and scheduled for public release in fall 2026.

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It runs on all devices from iPhone 11 onward, a notably wide support window that Apple emphasized during the keynote. Read also: Apple and Intel Announce US Chip Manufacturing Deal.

Performance headlines from the presentation: photos appear 70 percent more quickly, AirDrop transfers run 80 percent faster, and CPU scheduler improvements make everyday multitasking noticeably smoother.

These are not marketing claims specific to new hardware. They apply to supported older devices too.

Design-wise, iOS 27 introduces “Liquid Glass,” a refined visual language that Apple described as evolved from iOS 18’s translucency work.

The redesign affects the lock screen, Control Center, notification system, and native app interfaces.

The centerpiece of iOS 27’s AI story is Extensions, a new framework that lets users configure their preferred AI provider at the system level.

Instead of being locked to ChatGPT, users will open Settings, navigate to Apple Intelligence and Siri, and select from any installed AI app that supports the Extensions API.

At launch, three providers are confirmed: OpenAI’s ChatGPT (the existing integration), Google Gemini, and Anthropic’s Claude.

Any developer that implements Apple’s Extensions specification and passes App Store review can add their model to the list.

The selected model handles queries routed through Siri, Writing Tools, Image Playground, and other Apple Intelligence features.

Users can also route different query types to different providers, for example using Gemini for research, Claude for writing and coding, and ChatGPT for general assistance.

According to 9to5Mac, the Extensions system effectively ends OpenAI’s exclusive Siri partnership and replaces bilateral deals with an open platform model similar to how the App Store works.

Siri in iOS 27 is powered by Google Gemini at the core, representing Apple’s most consequential AI partnership announcement since WWDC 2024.

The updated Siri is available as a standalone app in addition to its existing system-level presence, and Apple confirmed it will be more conversational,

context-aware, and capable of multi-step tasks than previous versions.

The Gemini integration explains the Extensions announcement’s underlying business logic: if Apple is already running a third-party model at the system level, an open

framework for user choice is a natural extension of that position rather than a concession.

Apple described the new Siri as an “AI redemption” effort, directly acknowledging that the first two years of Apple Intelligence (2024-2025) had been marred

by delayed features, hallucinations in notification summaries, and underwhelming capabilities compared to competitors.

Apple’s Mac operating system for 2026 is macOS 27 Golden Gate, the twenty-third major release of macOS.

It is the first version to run exclusively on Apple silicon Macs, dropping support for Intel hardware entirely.

It is also the last version with full Rosetta 2 functionality, meaning Intel app emulation will begin to phase out in macOS 28.

Golden Gate focuses on refinement over reinvention.

Apple addressed widespread criticism of macOS Tahoe’s Liquid Glass implementation by reverting the controversial variable window border radii and standardizing them across all apps.

The cursor has been redesigned to resemble pre-Tahoe versions, a direct response to user feedback.

Performance improvements on Mac mirror iOS 27: faster AirDrop, quicker network file browsing, improved Messages sync, and better Spotlight search suggestions.

All Apple Intelligence features from iOS 27 come to macOS Golden Gate, including the Extensions system for choosing AI providers.

iOS 27, iPadOS 27, macOS Golden Gate, watchOS 27, visionOS 27, and tvOS 27 all go to developers in beta following the WWDC 2026 keynote.

Public beta access typically opens in July. Full public release is expected in September 2026.

iOS 27 supports iPhone 11 and later. This means the iPhone 11 (2019) receives the update, a support window that extends back seven years from the 2026 release date.

Devices running iOS 26 that do not support iOS 27 will continue to receive security updates through Apple’s standard extended support timeline.

The Extensions system and third-party AI selection will be available on all iOS 27-compatible devices, not limited to newer hardware.

The AI features that require on-device processing (on-device Apple Intelligence) remain limited to iPhone 15 Pro and later due to hardware requirements.

Apple’s shift to an open Extensions marketplace changes the competitive dynamics for every AI company. iPhones represent over 1 billion active devices globally.

Being available as a default-selectable option in Siri settings gives any Extensions-compatible AI provider access to the largest consumer install base in technology.

For Anthropic, whose Claude was previously available on iPhone only through the standalone app, the Extensions integration creates a path to becoming the default

AI for a portion of iPhone users who prefer Claude’s writing and reasoning capabilities.

For Google, the Gemini integration at the Siri core level is the most significant partnership Apple has announced with a direct competitor since the

original Google Search default deal, which pays Apple an estimated $20 billion per year and is currently under Department of Justice antitrust scrutiny.

According to MacRumors, the Extensions system was designed partly to address regulatory pressure in the EU and UK, where Apple faces requirements to allow

third-party AI providers on its devices under Digital Markets Act provisions.

Apple announced iOS 27 at WWDC 2026 on June 9, 2026.

The companion releases announced at the same event are iPadOS 27, macOS 27 Golden Gate, watchOS 27, visionOS 27, and tvOS 27.

All are scheduled for public release in fall 2026.

Yes, starting with iOS 27.

Apple’s new Extensions system lets users go to Settings, select Apple Intelligence and Siri, and choose their preferred AI provider from any installed app that supports Extensions.

Claude (Anthropic), Gemini (Google), and ChatGPT (OpenAI) are all confirmed at launch. Additional providers can apply through App Store review.

Siri in iOS 27 is powered by Google Gemini at the core, as announced at WWDC 2026.

Users can also override the default AI through the Extensions system to use Claude or ChatGPT for Siri queries and Apple Intelligence features including Writing Tools and Image Playground.

iOS 27 is scheduled for public release in fall 2026, following the developer beta (available immediately after WWDC) and public beta (typically July).

Apple historically releases major iOS versions in September alongside new iPhone hardware.

iOS 27 supports iPhone 11 and all later models. iPad support via iPadOS 27 requires iPad mini (5th generation) or later, iPad Air (3rd

generation) or later, iPad (7th generation) or later, and all iPad Pro models from 2019 onward.

Sources: TechCrunch – AI News | Reuters – Technology | The Verge – Tech News

Sources and Further Reading

Learn more at TechCrunch.

Learn more at The Verge.

Learn more at Wired.

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