US dominance in AI needs to occur at every component layer, tech leaders say

(L-R) Open AI CEO Sam Altman, Chairwoman and CEO of Advanced Micro Devices (AMD) Lisa Su, CoreWeave Co-Founder and Chief Executive Officer Michael Intrator and Microsoft Vice-Chair and President Brad Smith prepare to testify for a US Senate Commerce Committee hearing on artificial intelligence (AI) on Capitol Hill in Washington, DC, on May 8, 2025. BRENDAN SMIALOWSKI/AFP via Getty Images

Executives from prominent artificial intelligence technology companies told members of the Senate Commerce, Science and Transportation Committee Thursday that the global diffusion of the U.S. technology stack is critical for the U.S. to win the AI race.

Ensuring the U.S. produces and maintains control over the AI technology stack –– the individual components of an AI application, like its semiconductor chips, programming languages, interfaces and servers –– will determine if the country can lead the world in future AI innovation, witnesses told lawmakers. 

Lisa Su, the CEO of ...