AWS is making strides against Nvidia's dominance in AI chips. Rami Sinno from AWS reports strong demand for their custom chips, outpacing supply. AWS plans to launch Trainium3 this year, doubling performance while cutting energy use by 50%. While Nvidia’s Blackwell chip is superior, AWS focuses on cost performance. Upcoming releases like Graviton4 further emphasize AWS’s ambition to dominate the AI infrastructure market, raising questions about Nvidia's future market share.