SoftBank has invested over $60 billion into OpenAI, representing the largest and most concentrated bet in its history. This move, driven by Masayoshi Son's personal belief in AI's future, is unhedged, as the company has explicitly stated it will not back competing firms like Anthropic.
The OpenAI investment is characteristic of Masayoshi Son's 'gut-first' approach, backing visionary founders based on personal instinct, a method that led to both the massive success of Alibaba and the colossal failure of WeWork. Insiders report that Son is once again brushing off internal concerns, prioritizing his personal conviction.
Despite being the second-largest external shareholder with a 13% stake, SoftBank holds no board seat or observer rights at OpenAI. This lack of formal influence is highly unusual for an investment of this magnitude and creates a power imbalance that concerns SoftBank's leadership.
SoftBank has taken on substantial debt, including a recent $40 billion one-year loan, to fund its AI strategy. Its ability to refinance this debt is directly linked to OpenAI maintaining its high valuation, creating immense pressure for a successful IPO.
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