Alphabet Earnings Surge Past $400B as Google AI Drives Growth Amid Capacity Constraints

Reviewed byNidhi Govil

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Alphabet reported record fourth-quarter earnings with annual revenue surpassing $400 billion for the first time, fueled by strong Google AI adoption and digital ad growth. CEO Sundar Pichai revealed Gemini 3 Pro processes three times more daily tokens than its predecessor, while the company plans $175-$185 billion in capital expenditure for 2026. However, AI capacity constraints around power, land, and supply chain are now keeping leadership up at night.

Alphabet Earnings Hit Historic $400 Billion Milestone

Alphabet earnings for the fourth quarter of 2025 revealed a company firing on all cylinders, with annual revenue crossing $400 billion for the first time in its history

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. The Google parent company reported fourth-quarter revenue of $113.8 billion, an 18% year-over-year increase that exceeded Wall Street's consensus estimate of $111.31 billion

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. Profit climbed 30% from the prior year to $34.5 billion, or $2.82 per share, demonstrating the company's ability to convert its strategic investment in artificial intelligence into tangible financial results

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Source: AP

Source: AP

The numbers marked Google's third consecutive quarter of digital ad growth exceeding 10%, while its AI services division posted more than 30% sales growth

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. This dual momentum across traditional advertising and emerging artificial intelligence capabilities signals that the company born during the late 1990s internet boom is becoming even stronger nearly 30 years later. Sundar Pichai, CEO of Alphabet, emphasized that "Search saw more usage than ever before, with AI continuing to drive an expansionary moment"

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Google AI and Gemini AI Models Drive Unprecedented Adoption

The launch of Gemini 3 in December emerged as a major milestone, with AI momentum accelerating across the company's product portfolio. Pichai revealed that the Gemini app now has over 750 million monthly active users, with significantly higher engagement per user following the Gemini 3 launch

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. More impressively, Gemini 3 Pro has processed an average of three times as many daily tokens as Gemini 2.5 Pro, its predecessor, demonstrating rapid user adoption of the more advanced model

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Source: PYMNTS

Source: PYMNTS

Google sold more than eight million paid seats of Gemini Enterprise in the fourth quarter alone, just four months after launching the offering

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. The company's newly launched Gemini-powered development platform, Google Antigravity, already has more than 1.5 million weekly active users

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. Apple recently struck a deal to use Google's Gemini technology in a long-delayed upgrade to its virtual assistant, Siri, marking one of the most prominent partnerships yet for Gemini given Apple's user base of 2.5 billion active devices

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AI Capacity Constraints Emerge as Top Challenge

Despite the strong financial performance, Sundar Pichai candidly acknowledged that meeting surging demand for Google AI has become the company's biggest near-term challenge. During the earnings call, when asked what concerns leadership most, Pichai said, "What keeps us up at night... The top question is definitely around capacity. All constraints -- be it power, land, supply chain constraints -- how do you ramp up to meet this extraordinary demand for this moment?"

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These AI capacity constraints around power availability, data center locations, and equipment sourcing have increasingly become limiting factors for growth across the tech sector. Amin Vahdat, Google's AI infrastructure boss, previously told employees that the company has to double its serving capacity every six months to meet demand for AI services

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. The competition in AI infrastructure has become "the most critical and also the most expensive part of the AI race," according to Vahdat

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Massive Capital Expenditure Plans for AI Computing Capacity

To address these challenges, Alphabet announced that its 2026 capital expenditure is expected to range between $175 billion and $185 billion, with the bulk of spending aimed at expanding AI computing capacity, strengthening technical infrastructure, and supporting cloud growth

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. This represents a dramatic escalation from the approximately $30 billion spent annually before 2022, when OpenAI released its ChatGPT chatbot

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Alphabet's full-stack AI infrastructure approach has enabled significant cost optimization. The company lowered Gemini serving unit costs by 78% in 2025 through model optimizations, efficiency, and utilization improvements

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. Google has expanded its compute options by securing Nvidia's Vera Rubin GPUs alongside its own TPUs (tensor processing units)

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. In December, Alphabet agreed to acquire data center company Intersect for $4.75 billion in cash and the assumption of debt to further bolster its infrastructure

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Google Cloud and Digital Ad Growth Fuel Revenue Expansion

Google Cloud significantly accelerated with revenues growing 48% to $17.7 billion in the fourth quarter, now operating at an annual run rate of over $70 billion

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. The division's backlog grew by 55% quarter over quarter to $240 billion, representing strong customer demand for AI products

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. Nearly 75% of Google Cloud customers have used vertically optimized AI solutions, and these AI customers use 1.8 times as many products as those who do not

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Digital ad growth remained robust, with Google's digital ad sales totaling $82.3 billion in the fourth quarter, up 14% from the previous year

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. Search revenue grew 17% year-over-year, while YouTube's annual revenue crossed $60 billion across ads and subscriptions

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. The company has amassed 325 million paid subscriptions across consumer services

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Source: CXOToday

Source: CXOToday

Strategic Moves Position Google for AI Commerce Future

Beyond the quarterly numbers, Google made several strategic announcements positioning itself for the future of AI-powered commerce. The company introduced the Universal Commerce Protocol in January, an open standard for agentic commerce built alongside retail industry leaders

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. This protocol aims to secure Google's position in AI-powered commerce, which has emerged as a major battleground within consumer and business-facing artificial intelligence

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Alphabet's driverless car unit Waymo raised a $16 billion funding round that values the company at $126 billion, ending 2025 having served 15 million trips in five major U.S. markets including Austin, Atlanta, Los Angeles, Phoenix, and the San Francisco Bay Area

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. Waymo began opening its robotaxi routes to freeways in three major U.S. cities during the fourth quarter, marking a significant milestone

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Alphabet's stock has risen more than 60% in the past five months, giving it a $4 trillion market value and making Google the fourth member of the exclusive $4 trillion club, joining Nvidia, Microsoft, and Apple

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. However, the shares dipped about 1% in extended trading following the report, suggesting investors may have expected even stronger results given the stock's recent rally

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. As Google continues to embed Gemini AI into its search engine, Gmail, and Chrome browser, the company faces the challenge of avoiding complacency while competing with up-and-coming companies such as OpenAI, Anthropic, and Perplexity

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