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.

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.

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.

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.

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 Group is negotiating to lead a $40 billion funding round for AI developer OpenAI, which could value the company at $300 billion. This move comes as competition heats up with Chinese startup DeepSeek's low-cost AI model.

OpenAI may have billions of dollars in the bank. But it's gearing up to raise billions more, according to a Wall Street Journal report.

The ChatGPT-maker is reportedly looking to raise up to $40 billion in funding at a $340 billion valuation. SoftBank would lead the round and invest up to $25 billion. SoftBank also announced last week it would be investing in a $500 billion datacenter project with OpenAI called Stargate.