SoftBank reportedly is in talks to invest up to $25 billion in OpenAI and become the ChatGPT creator’s largest investor.

Shares of Cipher Mining were trading higher in the after-hours market following news of a $50 million private investment in public equity deal from SoftBank Group. After the bell Thursday, shares of Cipher Mining rose 19% to trade at $5.60. The stock finished the day's regular session with a 4.4% gain, closing at $4.70.

Cipher Mining Inc. (NASDAQ:CIFR) (“Cipher” or the “Company”) today announced a $50 million investment from SoftBank Group Corp.(TSE: 9984, “ SoftBank ”), one of the world’s most prominent investment holding companies.

SoftBank is reportedly considering a historic $25 billion investment in OpenAI, which could surpass Microsoft's stake and position SoftBank as the ChatGPT maker's largest investor.

SoftBank Group Corp. is in talks to lead a $500 million funding round for Skild AI, a startup building robotics software, according to people familiar with the matter. The startup would be valued at $4 billion,

Helion, a startup working to generate electricity from nuclear fusion, on Tuesday said it has raised $425 million in venture funding from a group of investors including SoftBank Group's Vision Fund 2.

A new investment from the Japanese conglomerate would be separate from the $100 billion tied to a project announced at the White House last week.

SoftBank Group Corp. is in discussions to invest as much as $25 billion in OpenAI, a move that would potentially make it the AI startup’s biggest backer.

SoftBank is in talks to invest as much as $25bn into OpenAI, in a deal which would make it the ChatGPT maker’s biggest financial backer, as the pair partner on a massive new artificial intelligence infrastructure project.

OpenAI is in talks to raise another giant round, of about $40 billion, led by SoftBank, which would value the ChatGPT maker at $300 billion including the investment—nearly double its valuation late last year in a Thrive Capital-led

OpenAI is seeking to raise up to $40 billion in new funding at a valuation of $340 billion, the Wall Street Journal reported today.