Microsoft and OpenAI reached a deal to allow the ChatGPT maker to restructure itself into a public benefit corporation, valuing OpenAI at $500 billion and giving it more freedom in its business operations.

The deal removes a major constraint on raising capital for OpenAI that has existed since 2019, when it signed a deal with Microsoft that gave the tech giant rights over much of OpenAI‘s work in exchange for costly cloud computing services needed to carry it out. As its ChatGPT service exploded in popularity, those limitations became a notable source of tension between the two companies.

Microsoft will still hold a stake of about $135 billion, or 27%, in OpenAI Group PBC, which will be controlled by the OpenAI Foundation, a nonprofit, the companies said. The Redmond, Washington-based fi

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