The analysis highlights that Microsoft funded its AI buildout from operations, leading to a more resilient balance sheet. In contrast, Alphabet nearly doubled its long-term debt to $98 billion. While Alphabet benefits from proprietary TPU technology for lower silicon costs, its Cloud growth needs to sustain near 80% as Search adapts to generative AI disruption. Microsoft's CFO Amy Hood noted their AI spending is throttleable, with GPUs and CPUs considered "short-lived assets" that can be slowed if demand changes.