软银CEO孙正义：已与OpenAI签署协议，将在OpenAI上进行更多投资，累计投资总额（包括已计划的投资）达到320亿美元。

Core Insights - SoftBank's CEO Masayoshi Son announced a new agreement with OpenAI, indicating a commitment to increase investments in the company, bringing the total investment amount to $32 billion, including planned investments [1] Investment Details - The cumulative investment in OpenAI will reach $32 billion, showcasing SoftBank's strong belief in the potential of artificial intelligence [1]