The Motley Fool·2025-12-13 10:30Core Insights - Berkshire Hathaway, led by Warren Buffett, has transitioned from being tech-adverse to becoming a significant institutional investor in technology stocks, particularly in AI-related companies like Apple and Alphabet [1][2] Group 1: Apple - Apple has not effectively leveraged its resources to establish AI leadership, despite being a major tech company [3] - The rollout of Apple Intelligence has been perceived as haphazard, limited to newer products and enhancing select apps, running mostly in the background [5][6] - The company has not developed a standout AI software, including its digital assistant Siri, which is expected to receive an AI upgrade [6][8] - Corporate culture may contribute to Apple's AI lag, as it prefers in-house development and selective partnerships, aiming for a smooth and stable iOS ecosystem [9][10] Group 2: Alphabet - Alphabet has fully embraced AI and aims to be a leader in the technology, with its deep-learning efforts dating back to the Google Brain project in 2011 [11] - AI is integrated into many of Alphabet's products, enhancing user experience in search functions and Google Docs [13][14] - The company has developed specialized AI hardware, such as tensor processing units (TPUs), and offers these as a service via Google Cloud [16] - Alphabet's Google Cloud unit saw a 34% year-over-year revenue increase to over $15 billion in Q3, driven by strong demand for AI tools and services [17][18]