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Alphabet Just Declared WAR On NVIDIA’s Biggest Moat!

Alphabet Inc., the parent of Google, is no longer treating AI chips as a quiet internal advantage. It is now pushing its custom tensor processing units, or TPUs, into the same battlefield that Nvidia has dominated for years: the market for AI compute. The latest flashpoint is Google’s reported $3.2 billion guarantee tied to the Lake Mariner data-center project, where thousands of Google chips are expected to support Anthropic’s AI workloads. The move matters because it shows Google using financial muscle, cloud distribution, custom silicon, and AI partnerships to challenge Nvidia’s grip on the most important infrastructure layer in technology. At the same time, the story is not one-sided. Nvidia still has the broader ecosystem, deeper customer lock-in, and a software moat that Google cannot easily copy.