Satya Nadella says "every model is substitutable" as AI competition shifts to infrastructure

As AI models become commoditized, the competitive edge is shifting from the models themselves to the massive capital and infrastructure behind them. Microsoft, Amazon, Alphabet, and Meta have reportedly invested $1.1 trillion in AI infrastructure since 2023, with another $745 billion planned this year. In this context, Microsoft CEO Satya Nadella has said that any AI model can be swapped for another, while Amazon’s Andy Jassy reportedly expects several comparably capable models to exist. This outlook reflects a broader shift: instead of betting on one winning model, tech giants are building infrastructure to support many, making access to financing and scale the decisive factors. Whether all this spending pays off remains uncertain, but investment continues to surge.