Alphabet Inc. crossed a historic milestone on Monday, reaching a $4 trillion market valuation and joining NVIDIA, Microsoft, and Apple in the elite club of the world’s most valuable companies. The surge was fuelled by intensifying optimism around artificial intelligence, after Apple confirmed it has chosen Google’s Gemini models to power AI capabilities across its devices—an endorsement that sent Alphabet shares up as much as 2% and briefly pushed its market capitalisation above Apple’s for the first time in seven years.
“Apple and Google have entered into a multi-year collaboration under which the next generation of Apple Foundation Models will be based on Google’s Gemini models and cloud technology. These models will help power future Apple Intelligence features, including a more personalized Siri coming this year,” the companies said in a statement.
The partnership marks a major validation of Google’s AI strategy, particularly as competition among big tech firms intensifies. Investors have responded positively to Google’s full-stack approach to AI, which integrates advanced foundation models, custom silicon, and cloud infrastructure. Confidence has been further bolstered by strong early feedback for Google’s latest Gemini 3 model, which has drawn praise for its performance, scalability, and enterprise readiness.
Apple’s decision to adopt Gemini underscores a pragmatic shift in its AI roadmap, combining its own on-device intelligence and privacy-first architecture with Google’s rapidly advancing model capabilities. While Apple continues to emphasize that Apple Intelligence will operate across its devices and private cloud environment, Gemini will serve as a core foundation for new AI-driven experiences expected to roll out later this year.
Alphabet’s valuation milestone reflects a broader rally in mega-cap technology stocks, driven by expectations that AI will unlock new revenue streams across consumer devices, cloud services, and enterprise software. NVIDIA has surged on unprecedented demand for AI chips, Microsoft has deepened its position through AI integrations across its productivity and cloud platforms, and Alphabet’s recent gains signal renewed belief in its ability to compete—and lead—in the AI race.
The rally also comes after a period of heightened regulatory scrutiny for Google, particularly around antitrust concerns tied to its search dominance. However, recent legal developments have eased fears of structural breakups, enabling the company to continue forging large-scale partnerships such as its expanded collaboration with Apple.
Alphabet’s entry into the $4 trillion club is not just a market milestone—it signals growing conviction that Google’s AI-first strategy is translating into long-term competitive and financial strength.
