Alphabet (NASDAQ:GOOG) (NASDAQ:GOOGL) is now approaching a $4 trillion market capitalization, driven by artificial intelligence (AI), cloud growth, and investor confidence. Many analysts consider Google stock valuation attractive, particularly because the shares trade at a trailing price-earnings ratio of 31.4, which is relatively modest for a company with such strong growth prospects.
The recent purchase of 17.8 million shares of GOOGL by Warren Buffett’s Berkshire Hathaway ((NYSE:BRK.A) (NYSE:BRK.B)) has added to the bullish sentiment. This endorsement signals confidence in Alphabet’s near- and medium-term performance and reinforces the notion that GOOG stock may outperform in the months ahead.
Alphabet’s Core Businesses
Alphabet is a global technology leader with a portfolio that includes Google Search, YouTube, Gmail, Android, and Google Cloud. Despite diversification into AI, cloud computing, and autonomous vehicles, advertising remains its primary revenue source.
In Q3 2025, Alphabet reported revenue of $102.3 billion, a 16% increase compared with the same quarter a year ago. Operating income, excluding one-time charges, jumped 22% year-over-year. These results show that even amid strong growth, Alphabet maintains profitability and operational efficiency.
Investor enthusiasm for Google stock valuation has been further fueled by analysts, with 44 of 55 rating the stock a “Strong Buy.” The company’s AI innovations, including the Gemini 3 model, have been well-received, demonstrating superior capabilities in reasoning, coding, and specialized tasks.
AI Chips and Google Cloud Drive Growth
Alphabet’s AI chips are gaining attention as high-quality, cost-efficient alternatives to Nvidia’s (NASDAQ:NVDA) GPUs. Meta Platforms (NASDAQ:META) has reportedly considered using Alphabet’s processors, which could result in needle-moving revenue for Google over time.
Google Cloud has also benefited significantly from AI adoption. Its Q3 backlog jumped 82% year-over-year to $155 billion, reflecting a strong pipeline and potential for continued revenue expansion. These factors reinforce the bullish case for Google stock valuation, highlighting both current profitability and long-term growth potential.
Waymo: A Long-Term Growth Catalyst
Beyond AI and cloud, Alphabet’s autonomous vehicle unit, Waymo, could become a major growth driver. If successful, Waymo could significantly increase Alphabet’s market capitalization—potentially adding $4.5 trillion in value over the long term.
While Waymo remains a long-term opportunity, its potential underscores why investors are optimistic about Google stock valuation today. Combined with Berkshire Hathaway’s endorsement, this positions GOOG as an attractive stock for both growth-oriented and long-term investors.
Analyst Sentiment on GOOG Stock
Despite the high valuation approaching $4 trillion, Wall Street analysts remain overwhelmingly positive. Out of 55 analysts, 44 rate GOOG stock a “Strong Buy,” suggesting confidence in Alphabet’s growth trajectory. Analysts cite the company’s AI expansion, cloud growth, and autonomous vehicle potential as key drivers for continued upside.
The consensus price target points to meaningful appreciation from current levels, making the shares appealing for investors seeking both near-term growth and long-term capital gains.
Bottom Line on Google Stock Valuation
Alphabet presents a compelling investment case. Its strong financial results, AI and cloud initiatives, and Waymo’s potential highlight why Google stock valuation may still be undervalued despite a $4 trillion market cap.
Berkshire Hathaway’s recent investment reinforces confidence, while analysts continue to see upside for the stock. For investors looking to gain exposure to AI, cloud computing, and transformative technologies, Google stock remains a strong buy. The combination of solid fundamentals, growth potential, and strategic positioning makes it an appealing addition to any long-term portfolio.
Featured Image: Freepik
Author Stephanie Bédard-Châteauneuf 
