软银再砸225亿美元完成对OpenAI投资，持股11%锁定AI算力赛道

Group 1 - SoftBank Group completed a $41 billion investment in AI company OpenAI, marking it as one of the largest single-round private financings to date [1][2] - Following the investment, SoftBank will hold approximately 11% of OpenAI, reinforcing its strategic position in the global AI competition [1][2] - The investment includes an initial $7.5 billion from April, an additional $22.5 billion, and a coordinated $11 billion from other investors, aligning with a previously established $40 billion investment framework [2] Group 2 - The funding round raised OpenAI's post-money valuation to about $300 billion, with a further increase to approximately $500 billion following a secondary market stock sale in October [2] - SoftBank also acquired DigitalBridge Group for $4 billion to strengthen its presence in data centers, cloud computing, and AI computing networks [2] - OpenAI is collaborating with partners like Oracle on the "Stargate" project, which aims to invest billions in building infrastructure for training advanced AI models [2]