OpenAI partners with Broadcom to build custom AI chips, adding to Nvidia and AMD deals

In this articleAVGOSam Altman, chief executive officer of OpenAI Inc., during a media tour of the Stargate AI data center in Abilene, Texas, US, on Tuesday, Sept. 23, 2025. Kyle Grillot | Bloomberg | Getty ImagesWeeks after Broadcom's stock shot up on the disclosure of a $10 billion customer that analysts said was OpenAI, the two companies have made the partnership official.OpenAI and Broadcom said Monday that they're jointly building and deploying 10 gigawatts of custom artificial intelligence accelerators ...