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Apple Unveils "Siri AI" Powered by Google Gemini at WWDC — Stock Closes Down ~2%

Apple debuted a redesigned "Siri AI" at WWDC 2026, with core capabilities powered by a custom Google Gemini model worth roughly $1B a year to Alphabet. Shares surged intraday then reversed, closing down about 2%.

OurAlpha

09 Jun 2026 — 3 min read

Apple finally gave Siri a full AI overhaul — but the core intelligence is leased from Google, and markets responded with skepticism.

TL;DR

Apple (AAPL) unveiled a rebuilt voice assistant called "Siri AI" at its WWDC 2026 keynote on June 8, with core capabilities powered by a custom Google Gemini model. Shares spiked intraday then reversed, closing down roughly 2%.

Under the hood: Siri AI's reasoning is partly driven by a custom Gemini model; Alphabet (GOOGL) reportedly earns around $1 billion annually from the deal^[TradingKey]
Stock action: Intraday high of $317.21, fading to roughly $302 near the close (down ~1.6%); official close at $301.54, down 1.89%^{[Motley Fool]}
Rollout: US English users first, with a public beta in July and full launch with iPhone 18 in September; EU and China excluded for now
Analyst targets: Consensus around $310, with a range of $215 to $400

On June 8, Apple (AAPL) took the stage at WWDC 2026 in Cupertino to unveil "Siri AI" — a ground-up reimagining of its voice assistant — alongside new operating systems for iPhone, iPad, Mac, Apple Watch, Apple TV, and Vision Pro. The headline detail: Siri's new reasoning and conversational capabilities are partly powered by a custom version of Google's (Alphabet, GOOGL) Gemini model. Shares briefly rallied during the keynote, then turned negative and closed down roughly 2%.

What "Siri AI" Can Do

According to CNBC and multiple tech outlets, Apple rebranded Siri as "Siri AI" and made sweeping changes to its conversational depth, system-level integration, and interface design^[^CNBC^]. Capabilities demoed on stage include:

Live web search with contextual recommendations, such as restaurant menus
Pulling specific information — addresses, dates, details — directly from a user's texts and emails
Automatically sorting photos into albums
Handling multi-step tasks while maintaining context across a conversation, behaving more like a chatbot than a traditional voice assistant

Those conversational and reasoning capabilities are reportedly backed, in part, by a custom-tuned Google Gemini model^[^CNBC^].

Rollout Timeline and OS Updates

Availability: Siri AI launches first for US English users this year, with other languages to follow. The EU and China are excluded from the initial rollout, with Apple citing local regulatory requirements^[^MacRumors^]
Schedule: Public beta expected in July; stable release targeting September alongside iPhone 18
Operating systems: The new software lineup — iOS 27, iPadOS 27, macOS 27, tvOS 27, watchOS 27, and visionOS 27 — also introduces a redesigned visual language Apple calls "Liquid Glass"
Parental controls: Apple announced expanded parental controls letting parents restrict which websites, apps, and contacts children can access, as well as screen time limits

Stock Reaction

As reported by The Motley Fool and others, AAPL flipped from green to red during the keynote itself: shares hit an intraday high of $317.21 before fading to roughly $302.33 by late afternoon (down ~1.63%), with the official close at $301.54, down 1.89%^[^{Motley Fool}^].

Several outlets attributed the reversal to a combination of factors: key features had been telegraphed or previously delayed, the rollout is explicitly staged, and privacy and regulatory constraints cap what the product can do in major markets^[^TradingKey^]. The Gemini partnership reportedly generates roughly $1 billion per year for Alphabet.

The bull-bear divide is stark. According to FinanceFeeds, optimists argue a genuinely capable Siri repositions Apple as a meaningful AI beneficiary; skeptics worry that outsourcing the core intelligence to a competitor limits the valuation premium the market will assign. Analyst consensus sits around $310, with targets ranging from $215 to $400^[^FinanceFeeds^].

What to Watch Next

Apple has indicated the Siri AI public beta opens in July, with the full release slated for September. On the macro side, the May CPI print drops June 10 — another variable for tech stocks in the near term.