AI Was Supposed to Kill Google Search. Q4 2025 Just Proved Everyone Wrong.

For two years, the dominant narrative in tech investing was simple: AI chatbots will erode Google Search. Users will get answers from ChatGPT, Perplexity, and Claude instead of clicking Google links. Ad revenue will follow. The Google monopoly slowly cracks.

Q4 2025 data: Google Search revenue grew +17% YoY — the fastest growth rate in years.

Not slowing. Accelerating.

This is the most important data point in tech investing right now — and it's barely being discussed. While retail investors chase NVDA and debate TSLA's Robotaxi, the world's most profitable advertising business is quietly growing faster than it was before the "AI disruption" began.

Meanwhile, buried inside Alphabet is a $126B robotaxi company that analysts barely model. And Google Cloud just posted +48% YoY growth — faster than Azure.

At $301 per share with a PEG of 1.70 — the cheapest in the Magnificent 7 — GOOGL may be the most straightforward value case in mega-cap tech right now.

Let's run the numbers.

Not financial advice. Financials from Alphabet's Q4/FY2025 earnings release. Analyst targets and multiples as of March 2026.

FY2025: The Business Nobody Is Talking About

Alphabet crossed $400B in annual revenue for the first time in 2025. Here's what that looks like:

| Segment | FY2025 Revenue | YoY Growth | |---------|---------------|-----------| | Google Search (est.) | ~$236B | +19% | | Google Cloud | ~$53B | +43% | | YouTube | >$60B | +20% | | Other (Play, Maps, hardware) | ~$40B | ~+10% | | Total | $403B | +15% |

Q4 2025 — the quarter that broke the bear thesis:

| Metric | Q4 2025 | YoY | |--------|---------|-----| | Google Search revenue | $63.07B | +17% | | Google Cloud | $17.66B | +48% (beat consensus by $1.5B) | | YouTube ads | $11.38B | +9% | | Operating margin | 31.6% | Expanding | | EPS | $2.82 | +31% YoY | | Operating cash flow (FY) | $164.7B | Record |

TTM EPS (Dec 2025): $10.81 — up from $5.80 in CY2023. That's +86% EPS growth in two years. The multiple has barely moved.

At ~$301/share, you're paying ~10x annual operating cash flow for the whole company. That's Apple-quality business quality at MSFT-like multiples.

Why Search Is Growing, Not Dying

This is the central question. The explanation matters because if the bears are right about direction but wrong about speed, the risk is still real — it's just slower.

Here's what the data shows:

1. Gemini AI Overviews are expanding engagement, not cannibalising it. AI-generated summaries now appear in the majority of Google searches. Early data shows higher click-through rates on ads adjacent to AI Overviews — users are using Search more, not less, as an entry point.

2. Advertisers pay for intent, and Google still owns intent. ChatGPT Search does not have a proven ad model at scale. Perplexity is experimenting with ads. Neither has cracked the core value proposition: a user searching "best accounting software for small business" is a buyer. That intent, expressed in Google's search box, is worth $3–15 in ad revenue per click. No chatbot has replicated the commercial conversion funnel.

3. The competitive queries where chatbots win are often low-monetisation queries. Factual lookups ("what year did X happen"), research questions, and coding help are increasingly handled by AI assistants. These are not the queries driving Search revenue. High-intent commercial queries — local services, shopping, financial products — remain Google's.

The risk that's still real: Revenue-per-search. If AI summaries gradually reduce click-throughs on commercial queries by 10–15%, that's $20–30B/year in at-risk Search revenue over 3–5 years. The Q4 2025 data says this hasn't started. The DOJ antitrust ruling — discussed below — creates a structural risk that may accelerate it.

The Valuation: What GOOGL Is Worth Today

Where It Sits vs. Peers

| Company | Trailing P/E | PEG | EPS Growth | Revenue Growth | |---------|-------------|-----|-----------|----------------| | Alphabet (GOOGL) | ~28x | 1.70 | +35% YoY | +15% | | Apple (AAPL) | ~32x | 2.76 | +22% | +10% | | Microsoft (MSFT) | ~24–26x | 1.61 | +29% | +17% | | Meta (META) | ~25x | ~1.5 | +20%+ | +20%+ |

GOOGL at 28x trailing P/E is modestly above its 5-year median (~26x) — but EPS grew +86% over two years while the multiple barely moved. Alphabet is one of the rare large-caps where earnings growth has significantly outpaced multiple expansion. You're paying a similar P/E to what you'd have paid in 2022, but the earnings base is 86% larger.

The PEG of 1.70 is the cheapest in the Magnificent 7 by a wide margin. You're paying $1.70 for every unit of earnings growth — vs. Apple at $2.76, Tesla at $3.93.

DCF Scenarios

Bear case — Search disruption materialises, Cloud decelerates:

Search growth slows to +5% by 2027 (DOJ ruling + AI competition)
Cloud decelerates from 48% to 20% by H2 2026
Multiple compresses to 18x on ~$11.00 FY2026E EPS
Bear case: ~$198

Base case — Execution continues, no structural break in Search:

Search sustains +12–15% growth; Cloud sustains 35%+
Copilot-equivalent monetisation from Gemini begins contributing
24–26x on $12.50–13.00 FY2026E EPS
Base case: $300–338
Analyst consensus: $351–367 (44 analysts, all Strong Buy)

Bull case — Search accelerates, Cloud re-rates, Waymo contributes:

Search sustains +17%+ as AI Overviews drive more engagement
Cloud reaches $100B+ run rate by FY2027
Waymo begins IPO process or appears in analyst models at $126B+
28–30x on $14.00+ FY2026E EPS
Bull case: $392–420

At ~$301, the current price is at the low end of the base case. The consensus of 44 analysts sees 17–22% upside from here.

The Asset Nobody Is Pricing: Waymo

In February 2026, Waymo raised $16B in fresh capital at a $126B valuation.

Waymo is a subsidiary of Alphabet. It is not separately listed. Most analyst models barely mention it. Most DCF models value it at near zero because it's generating ~$1B in revenue.

What Waymo actually is:

The proven leader in autonomous vehicles — hundreds of thousands of weekly trips across San Francisco, Los Angeles, Phoenix, Austin
Running without safety incidents at scale, for years
$126B valuation set by sophisticated external investors who just wrote checks (not by analysts guessing)
Projected revenue path: ~$1B in 2026 → $10–15B by 2030 if expansion continues
The only fully commercial autonomous ride-hail service operating without a safety driver at scale in multiple US cities

The math: At $126B, Waymo represents roughly $10/share of hidden value in GOOGL. If Waymo IPOs or is spun off, that value becomes explicit in the stock price.

Compare to Tesla's Robotaxi, which launched its first unsupervised public rides in January 2026. Waymo has been doing this for years. Tesla is valued at $1.4T partly on Robotaxi optionality. Alphabet owns the proven autonomous vehicle leader and the market barely bakes it in.

The Risk That's Real: DOJ Antitrust

In August 2025, a federal court ruled Google is an illegal monopolist in search. The DOJ rejected a full breakup — but ordered behavioral remedies now in effect.

The most significant: Google can no longer pay Apple ~$15–20B/year for exclusive default search status on iOS.

This is a real risk. 57% of US smartphones run iOS. If Apple integrates alternative search defaults more prominently — or defaults to a Gemini competitor — Google loses guaranteed access to hundreds of millions of users. Disruption of those $15–20B payments also hits Apple's Services revenue (see our AAPL analysis), but the distribution lock-in loss is Google's to bear.

The ruling is in appeals. Behavioral remedies are live. This is the primary bear case catalyst for 2026 — and it's not fully priced in.

How to think about it: If Google loses 10% of Search revenue over 3 years from default switching, that's ~$24B in revenue impact. Spread over 3 years, discounted: roughly $60–70B in present value. On a $2.5T market cap, that's ~2.5–3% of value at risk from this specific ruling. Real, but not existential.

Sum-of-Parts: What Each Piece Is Worth

| Segment | Revenue | Multiple | Value | |---------|---------|----------|-------| | Google Search | ~$236B | 20x operating income (~65% margin) | ~$3T+ | | Google Cloud | ~$53B | 10x revenue (fast-growing cloud) | $530B | | YouTube | >$60B | 8x revenue | $480B | | Other (Play, Maps, hardware) | ~$40B | 5x revenue | $200B | | Waymo | ~$1B revenue | External valuation | $126B | | Net cash | ~$70B | 1:1 | $70B |

The sum-of-parts gives an enterprise value well above $4T — significantly above the current ~$2.5T market cap. The gap reflects the antitrust discount, AI disruption risk premium, and capex drag on near-term FCF.

The Search segment alone — at 65% operating margins on $236B revenue — is generating $153B+ in annual operating income. At even 15x (a modest multiple for a near-monopoly cash machine), that's $2.3T. You get Cloud, YouTube, Waymo, and net cash essentially free.

The $175B Capex Question

Alphabet guided to $175–185B in 2026 capital expenditure — nearly double 2024 levels. This is the bear argument: Google is spending aggressively on AI infrastructure and suppressing FCF.

EV/FCF at ~49x is elevated for exactly this reason. The accounting earnings look cheap; the free cash flow (after capex) looks expensive.

Our read: The $155B Cloud backlog (+82% YoY as of Q3 2025) validates the demand that justifies the capex. Google isn't building speculatively — it's building to meet contracted demand. If Cloud sustains 35–40%+ growth, the capex pays off within 3 years and FCF recovers sharply.

The risk: if Cloud decelerates to 20–25% while capex remains elevated, the economics look much worse. That's the scenario to watch.

Frequently Asked Questions

What is Alphabet's intrinsic value in 2026?

Base case DCF and analyst consensus converge at $340–375. At ~$301, the stock trades at a ~15–20% discount to consensus fair value. Bear case (Search disruption + Cloud deceleration): ~$198. Bull case (sustained Search growth + Waymo re-rating): $392–420.

Is Google Search actually under threat from AI?

Less than the headlines suggest — at least in the data so far. Q4 2025 Search revenue grew 17% YoY, accelerating. Google's own AI Overviews appear to be increasing engagement, not cannibalising it. The structural risk (revenue-per-search declining as AI satisfies queries without ad clicks) is real but unproven in the numbers. The DOJ antitrust ruling (default search remedies) is the more concrete near-term risk.

What is Waymo worth inside Alphabet?

External investors just valued Waymo at $126B (February 2026, $16B raise). That's roughly $10/share of value inside GOOGL that most analyst models price near zero because it's generating only ~$1B in revenue. If Waymo IPOs or is separately valued, this becomes explicit. Waymo is the proven autonomous vehicle leader — hundreds of thousands of weekly trips in multiple cities, no safety incidents at scale.

How fast is Google Cloud growing vs. AWS and Azure?

Q4 2025: Google Cloud +48% YoY, Azure +38% YoY, AWS ~18% YoY. Google Cloud is growing fastest among the three hyperscalers. Its $155B backlog (+82% YoY) provides multi-year revenue visibility. Cloud is the fastest-growing segment at Alphabet and becoming a second major profit engine alongside Search.

Is GOOGL cheaper than AAPL right now?

Yes, on most metrics. GOOGL: 28x P/E, PEG 1.70, EPS growing 35% YoY. AAPL: 32x P/E, PEG 2.76, EPS growing 22% YoY. Alphabet grows faster, has a lower multiple, and a lower PEG — yet it is perceived as riskier due to the AI disruption narrative. The numbers say the narrative is ahead of the evidence.

Bottom Line

Alphabet at $301 is the most straightforward value proposition in the Magnificent 7 right now.

You get the world's most profitable advertising business — growing faster than it was before "AI disruption" began. You get the fastest-growing hyperscale cloud at 48% YoY. You get YouTube at $60B/year (larger than Netflix). You get Waymo at $126B essentially free. All for 28x earnings with a PEG of 1.70.

The risks are real: DOJ antitrust remedies create a genuine distribution moat risk, the $175B capex bet needs to pay off, and the AI search disruption narrative may eventually match the reality. But as of Q4 2025, the data supports the bull case, not the bear case.

At $301 with a 44-analyst consensus target of $351–367, the current price offers a concrete margin of safety — unusual for a company of this quality.

Our view: GOOGL is the best risk/reward in this four-stock series. MSFT is close; NVDA requires an AI infrastructure thesis; AAPL offers no margin of safety; TSLA requires an autonomy bet. GOOGL just requires the world to keep using Google — which Q4 2025 confirmed, emphatically, that it does.

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