What happened
Amazon is reportedly negotiating a potential investment exceeding $10 billion in OpenAI, which could value the AI company at over $500 billion. This arrangement may involve OpenAI utilising Amazon's Trainium chips, supplementing its existing $38 billion cloud computing commitment with AWS for data centres and Nvidia GPUs. While Amazon is developing Trainium 3 (150,000 units by 2026) and Trainium 4 (2027), current Trainium chips have reportedly underperformed against Nvidia's H100 GPUs.
Why it matters
This prospective investment introduces a tightened dependency for OpenAI on Amazon's proprietary Trainium chip architecture, alongside its existing AWS infrastructure. This increases vendor lock-in for platform operators and procurement teams, raising the burden of managing a diversified hardware ecosystem with reported performance disparities. The reliance on a developing chip technology, despite documented performance challenges, elevates due diligence requirements for infrastructure planning and performance benchmarking for engineering and operations teams.




