An anonymous reader shares a report: SoftBank is in talks to invest as much as $25 billion into OpenAI [non-paywalled source], in a deal that would make it the ChatGPT maker's biggest financial backer, as the pair partner on a huge new artificial intelligence infrastructure project.

The two companies announced last week they would lead a joint venture that would spend $100 billion on Stargate -- a sprawling data centre project touted by US President Donald Trump -- with the figure rising to as much as $500 billion over the next four years.

SoftBank is in talks to invest $15 billion to $25 billion directly into OpenAI on top of its commitment of more than $15 billion to Stargate, according to multiple people with direct knowledge of the negotiations.

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