Alphabet runs Google Search (92% global market share), YouTube (2B+ monthly users), Google Cloud, Android (3B devices), and Waymo self-driving cars. Advertising is 77% of revenue but Google Cloud is its fastest-growing segment at $36B+ annually. Its AI investments - Gemini, DeepMind, TPU chips - position it as a foundational AI infrastructure company.
Key relationships in depth
Google Cloud uses NVIDIA H100 and A100 GPUs to supplement its proprietary TPU fleet. NVIDIA GPUs handle inference workloads and serve third-party AI developers on GCP who prefer the widely-adopted CUDA programming environment over Google's custom TPU software stack.
Why it matters: NVIDIA's CUDA ecosystem is the dominant AI development framework with 4M+ active developers. Google cannot sell AI cloud services to CUDA-native developers without stocking NVIDIA hardware. TPUs are optimal for Google's internal workloads but lack the broad third-party software support NVIDIA has built over 15 years.
Alphabet & Apple
Apple and Google have one of the most valuable commercial relationships in technology: Google pays Apple approximately $20 billion annually to be the default search engine in Safari across iPhone, iPad, and Mac, giving Google access to Apple's 2 billion active device ecosystem. Apple receives 36% of the search advertising revenue generated from Safari searches. In 2025, Google also became a featured AI model provider within Apple Intelligence, with Google Gemini integrated as an optional AI model alongside OpenAI's ChatGPT.
Why it matters: Google's dominance in search advertising depends critically on maintaining the Safari default position, as losing this placement to a competitor would divert billions of high-intent searches away from Google's ad network. Apple's $20B annual payment from Google is the single largest revenue contribution to Apple's Services segment, providing a high-margin recurring revenue stream that requires zero Apple product development effort.
Microsoft and Google are the world's two largest cloud and enterprise software competitors, battling across cloud infrastructure (Azure vs Google Cloud), productivity suites (Microsoft 365 vs Google Workspace), AI assistants (Copilot vs Gemini), and search (Bing vs Google Search). Microsoft's $13B OpenAI investment gave it a significant AI lead in enterprise software, which Google has aggressively countered through Gemini model integration across Workspace, Search, and GCP.
Why it matters: Both companies derive the majority of their commercial growth from cloud and AI services, making every enterprise software sale a zero-sum competitive moment. Microsoft's dominant position in enterprise productivity with Office 365's 300+ million commercial seats is the incumbent moat Google attempts to erode with Workspace, while Google's 90%+ search market share is the core revenue base Microsoft tries to chip away at with Bing and Copilot integration in Windows.
Amazon and Google are the world's two largest cloud providers outside of Microsoft, and their relationship is primarily competitive: AWS holds approximately 30% of global cloud infrastructure market share versus Google Cloud's 13%, but the two companies also maintain selective technical integrations, including a joint multicloud networking initiative launched in 2025 that connects AWS and Google Cloud infrastructure for enterprises requiring seamless cross-cloud data movement.
Why it matters: AWS and Google Cloud signed a multicloud connectivity agreement in December 2025 because enterprises increasingly demand the ability to move workloads between cloud providers without re-architecting applications, and both companies benefit from appearing interoperable rather than siloed. The joint standard allows customers to run latency-sensitive AWS services alongside Google's AI capabilities without expensive data transfer costs.
Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.