Core Insights - Microsoft has signed a new definitive agreement with OpenAI to strengthen their partnership [1] - Microsoft supports the establishment and capital restructuring of OpenAI's Public Benefit Corporation (PBC), with an investment value of approximately $135 billion, representing about 27% on a fully diluted basis [1] - OpenAI is now allowed to co-develop certain products with third parties, with API products being exclusive to Azure, while non-API products can be offered on any cloud provider [1] - OpenAI has signed a contract to purchase Azure services worth $250 billion, and Microsoft will no longer have preferential purchasing rights as OpenAI's computing provider [1]

Group 1 - Microsoft and OpenAI have signed a new agreement where OpenAI will purchase an additional $250 billion worth of Azure services, and Microsoft will no longer have preferential rights as a computing provider for OpenAI [1] - OpenAI is now able to co-develop products with third parties, while API products developed in collaboration with third parties will remain exclusive to Azure, and non-API products can be deployed on any cloud platform [2] - Microsoft supports the establishment of a public benefit corporation by OpenAI, holding an investment stake valued at approximately $135 billion in the OpenAI Group public benefit corporation [3]