OpenAI Closes $122 Billion Round at $852 Billion Valuation, Setting Up IPO

The largest private funding round in Silicon Valley history gives OpenAI a war chest that dwarfs most public companies' market caps — and raises the question of what, exactly, costs that much to build.

OpenAI has closed a $122 billion funding round at an $852 billion post-money valuation, as reported by @WSJ and confirmed by the company via @OpenAI. The round, which included SoftBank among its lead investors, is the largest private fundraise in technology history by a wide margin, eclipsing the company's own previous record.

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