转向芯片供应商多元化，OpenAI寻求降低对英伟达依赖

Group 1 - OpenAI has begun using Google's AI chips for its ChatGPT and other products, marking a shift from its previous reliance on NVIDIA GPUs [1][3] - This move indicates OpenAI's strategy to diversify its chip suppliers and reduce dependence on NVIDIA, which has been its largest supplier [1][3] - The adoption of Google's TPU (Tensor Processing Unit) represents OpenAI's first significant use of non-NVIDIA chips, reflecting a transition away from reliance on Microsoft data centers [3] Group 2 - The collaboration with Google comes as the tech industry sees major companies developing their own chips to gain control over computing infrastructure [4] - Companies like Amazon and AMD are introducing alternatives to NVIDIA chips, particularly for the AI development phase known as "inference" [4] - Despite these efforts, NVIDIA's AI chips continue to maintain a leading position in the industry, with Microsoft's ambitions to challenge NVIDIA's dominance facing setbacks [5]