孙正义完成对 OpenAI 总额 400 亿美元投资承诺，软银最后一批资金已于上周支付

Group 1 - SoftBank has completed a total investment commitment of $40 billion in OpenAI, equivalent to approximately 280.66 billion yuan [1][3] - The final tranche of the investment, amounting to between $22 billion and $22.5 billion, was paid last week [2][6] - Previously, SoftBank raised $10 billion through a syndicate and directly invested $8 billion in OpenAI [2][6] Group 2 - The investment was finalized at a pre-money valuation of $260 billion for OpenAI, led by Sam Altman [2][6] - The funds are expected to be disbursed over a period of 12 to 24 months, with part of the capital allocated to support the AI infrastructure joint venture "Stargate" with Oracle and SoftBank [2][6]