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SoftBank to invest additional $10 billion in OpenAI for 13% stake

SoftBank Group invested an additional $10 billion in OpenAI Group PBC, OpenAI\'s for-profit arm, lifting its cumulative investment to $64.6 billion and giving it a stake of about 13%. The investment is the third and final tranche of a planned additional $30 billion via SoftBank Vision Fund 2, Japanese ITmedia reported. SoftBank funded the first two tranches with bridge loans and the final tranche with proceeds from bond sales.