Amazon, Microsoft, and Alphabet All Reported Robust Cloud Growth. 1 Was a Clear Winner

Core Insights - The demand for artificial intelligence (AI) has significantly driven cloud growth, with fierce competition among major providers [2][3] Cloud Market Overview - Cloud infrastructure services revenue reached $119 billion in Q4, growing 30% year over year [2] - The Big Three cloud providers—Amazon Web Services (AWS), Microsoft Azure, and Google Cloud—are the primary beneficiaries of this trend [3] Amazon Web Services (AWS) - AWS controls 28% of the global cloud infrastructure market and reported Q4 cloud revenue of $35.6 billion, growing 24% year over year [5][6] - This growth rate is the fastest in 13 quarters, driven by strong AI demand [6] - Amazon plans to spend $200 billion in capital expenditures for 2026, primarily in AWS [6] Microsoft Azure - Microsoft Azure holds approximately 21% of the global cloud market and reported a 39% year-over-year revenue increase for Q2 of fiscal 2026 [8] - The growth rate slightly decreased from 40% in Q1, but demand continues to exceed supply [9] - Microsoft anticipates a higher capex growth rate for fiscal 2026 compared to fiscal 2025 [9] Google Cloud - Google Cloud, the smallest of the Big Three with about 14% market share, reported a remarkable 48% revenue growth in Q4, up from 34% in Q3 [11] - The growth was attributed to the success of the Gemini 3 AI model, which has sold over 8 million enterprise seats [12] - Alphabet plans to invest between $175 billion and $185 billion in capex for 2026 to support AI and cloud growth [13] Competitive Analysis - Google Cloud's growth rate outpaced its competitors, and it has successfully reduced costs, enhancing profitability [15] - AWS's CEO noted the difference in growth percentages relative to the size of the companies, indicating that Google Cloud's rapid growth could close the gap with AWS if sustained [16] - Alphabet's current valuation at 30 times earnings is considered attractive given its growth potential [17]