Apple: The Competitor Google PaysNarrow moat

Alphabet (Google) (GOOGL) — moat facet

Twenty billion a year is insurance, not distribution: it buys certainty that Apple never builds the alternative it is perfectly capable of building.

Alphabet's most expensive competitive relationship is with a company that does not compete with it in search. Apple controls the iPhone, and iPhone users are the most valuable search audience in the world; Google pays roughly $20 billion a year to remain their default search engine, an arrangement a federal court ruled anticompetitive1. From January 2026 the entanglement reversed direction as well, with Google supplying the Gemini models behind Apple's rebuilt Siri2.

The money between Google and Apple, per year ($B)~$20BGoogle to Apple: default search~$1BApple to Google: Gemini for SiriU.S. v. Google trial record (2022 payment); Apple's reported Gemini fee (CNBC, Jan 2026)
The money now flows both ways, but not evenly: Google pays Apple about twenty times what Apple reportedly pays for Gemini.

The payment is best understood as insurance rather than distribution. Google would very likely be the default choice of most iPhone users anyway; what the money buys is certainty that Apple never builds, buys or promotes an alternative. Total traffic acquisition costs — the payments to Apple and other distribution partners — ran to $59.9 billion in 20253, which is the price Alphabet pays each year to ensure the search box stays where users already are.

The exposure is that this is a court's decision and a counterparty's choice, not a contract Alphabet controls. Remedies in the U.S. search case could restrict or end the payments; Apple could in principle build its own answer engine on the model it now licenses. Watch the search-case remedies and the TAC line together. A ruling that stops the payments would improve Alphabet's margins and threaten its volumes at the same time — which is why nobody at either company is certain whether they want to win.

Moat trajectory: Narrowing

The arrangement is now a court's to decide rather than Alphabet's to renew, and the Gemini-for-Siri deal makes the two companies more entangled at exactly the moment the payment is under judicial threat. Losing it would improve margins and endanger query volume simultaneously — which is why neither party is sure what outcome it wants.

The number that tests this moat
Reported
Annual payment for iPhone default
~$20B, court-contested

Insurance rather than distribution — it buys certainty that Apple never builds the alternative it could. Total TAC ran $59.9B in 2025. Watch the U.S. search-case remedies alongside the TAC line: ending the payment would raise margins and threaten query volume at the same time.

Source: U.S. v. Google (D.D.C.); Alphabet 10-K FY2025 ↗
References
  1. ReportedRoughly $20B a year for iPhone default placement, ruled anticompetitive in U.S. v. Google.
    United States v. Google LLC (D.D.C., Judge Mehta) — DOJ case page: Aug 2024 liability ruling (default-search payments, about $20B a year largely to Apple, found to be unlawful monopoly maintenance); final judgment and memorandum opinion Dec 5, 2025; the United States' response and opening brief on cross-appeal, July 28, 2026 — Liability ruling Aug 2024; remedies 2024–2026 · publ. 2024–2026 · source ↗
  2. ReportedFrom January 2026 Gemini powers Apple's rebuilt Siri.
    Apple–Google partnership announcement (Jan 12, 2026) — Gemini models to power the rebuilt Siri; reported ~$1B/yr; custom ~1.2T-parameter model served from Apple's Private Cloud Compute; first features iOS 26.4 (spring 2026), full rollout with iOS 27 (fall 2026) — Announced Jan 2026 · publ. Jan 12, 2026 · source ↗
  3. ReportedTotal traffic acquisition costs were $59.9B in 2025.
    Alphabet Form 10-K, FY2025 — cost of revenues table: TAC $54,900 million (2024) and $59,926 million (2025), TAC rate down from 20.7% to 20.3%; cash flow statement: purchases of property and equipment $32,251m (2023), $52,535m (2024) and $91,447m (2025); Google Network revenues $30,359m (2024) and $29,792m (2025) — FY2025 (year ended December 31, 2025) · publ. February 5, 2026 · source ↗
Sources
Generated September 16, 2026