For investors eyeing long-term growth in artificial intelligence, established tech giants like Alphabet and Meta Platforms present compelling opportunities. Despite their reliance on cyclical advertising revenue, both companies are leveraging advanced AI infrastructure to drive significant expansion in their core businesses, with potential for continued impressive returns not yet fully priced into their valuations.
For growth-oriented investors looking at artificial intelligence (AI), the path forward doesn't have to be overly complex. The world's largest and most financially robust companies often represent the most appealing investment opportunities, balancing risk, growth potential, and current valuation.
A primary concern for tech giants such as Alphabet (NASDAQ: GOOG, GOOGL) and Meta Platforms (NASDAQ: META) is their significant dependence on advertising revenue, which can fluctuate with economic cycles. However, looking ahead, AI is poised to fuel unprecedented growth in their advertising sectors, a potential upside that might not yet be fully reflected in their stock valuations.

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Alphabet
Alphabet stock has experienced a remarkable surge, climbing 136% over the past year. Its substantial investments in advanced chips, data centers, and AI models allow it to integrate cutting-edge AI functionalities across its core services, including Google Search, YouTube, and its lucrative cloud offerings.
Just a year ago, many skeptics questioned the future of Google Search amidst rising AI competition. Yet, Google Gemini quietly ascended AI chatbot leaderboards. Gemini's power is now evident in new features like AI Mode and AI Overviews, which are significantly boosting search engagement. This innovation contributed to a robust 19% year-over-year increase in search revenue during the first quarter.
Concurrently, Google Cloud stands out as the fastest-growing enterprise cloud platform among the "Magnificent Seven." Its growth trajectory accelerated further in the first quarter, with segment revenue soaring by an impressive 63% year over year.

NASDAQ: GOOGL
Key Data Points
This impressive momentum is largely fueled by Google's robust infrastructure, which includes a diverse portfolio of high-performance chips like its Tensor Processing Units (TPUs), alongside graphics processing units (GPUs) from Nvidia.
This cutting-edge hardware is also optimizing Google's internal operations, with almost 75% of its software code now being generated with AI assistance. This internal efficiency drives greater profitability, allowing the company to funnel resources back into expanding its chip and data center capacity, thereby maintaining a powerful growth flywheel.
With Google demonstrating a 22% year-over-year revenue increase and a strong operating margin of 36%, it clearly stands as a premier AI stock for long-term investors. Despite its recent impressive run, the shares remain reasonably valued, trading at a forward price-to-earnings multiple of 29 at the time of writing.
Meta Platforms
Meta Platforms is constructing the industry's most sophisticated AI infrastructure specifically for digital advertising. This strategic focus is already yielding substantial advertising growth across its vast ecosystem, encompassing Facebook, Threads, WhatsApp, and Instagram. It's plausible that Wall Street might be underestimating Meta's potential, much as it did Google's a year ago.
Meta's AI, particularly its Generative Ads Recommendation Model (GEM), benefits from training on thousands of GPUs. Its core objective is to refine ad recommendations and enhance performance, and recent data confirms its effectiveness. In the first quarter, Meta's revenue, primarily derived from advertising, surged by 33% year over year.

NASDAQ: META
Key Data Points
The concrete benefits of AI to Meta's advertising arm are evident in the balanced growth of ad impressions and rising ad pricing. Impressions increased by 19% year over year, while the average price per ad saw a 12% rise. These are compelling figures, underscoring AI's potential to drive even more substantial gains over time.
Meta's journey is only just beginning. While some skeptics may be concerned about Meta's accelerating capital expenditures on chips and data centers, these investments are precisely what's powering the strong growth in its advertising business. Recent enhancements to Meta's Lattice and GEM model architectures have already led to a 6% boost in conversion rates for landing page view ads.
The outlook promises further improvements as Meta integrates its Spark AI model into the recommendation systems across its family of applications. Spark has already refined the Meta AI assistant, and its application will introduce a deeper reasoning layer to ads, potentially igniting robust revenue growth for years to come.
Despite impressive revenue growth and a 62% year-over-year increase in earnings in Q1, it's notable that investors can still acquire Meta stock at a reasonable 20 times this year's earnings estimate, making it an attractive long-term AI play.
