In his newly built palace near Tokyo, lined by stone statues of Roman emperors and surrounded by an 18-hole golf course, Masayoshi Son was stewing. After declaring for years the imminent arrival of the artificial-intelligence revolution,

U.S. President Donald Trump announced Stargate, a $500 billion AI infrastructure project that's expected to provide 100,000 jobs and boost the American economy, but Elon Musk believes the three companies leading the project don't have the funds.

SoftBank is in talks to inject up to $25 billion directly into OpenAI, positioning the Japanese tech conglomerate to become the ChatGPT maker's largest financial backer, according to initial reporting from the Financial Times on Wednesday evening.

Japanese multinational conglomerate, SoftBank, is said to be in advanced talks to invest as much as $25 billion in OpenAI . According to the Financial Times, the investment could be part of a larger partnership, where SoftBank would invest over $40 billion into AI initiatives with the ChatGPT creator.

Masayoshi Son founded SoftBank in 1981. It has invested millions in some of Silicon Valley's biggest tech companies.

Some of the funding would be used to help cover OpenAI’s $18 billion commitment to the recently announced Stargate project.

Japanese investment conglomerate SoftBank (SFTBY) intends to invest up to $40 billion in OpenAI, leaving another initial backer, Microsoft

OpenAI is in talks for an investment round to raise nearly $40 billion that would value the AI startup at up to $340 billion, the Wall Street Journal reported on Thursday.

SoftBank is in talks to invest in OpenAI, potentially deepening the relationship between the two companies that are already planning an artificial-intelligence infrastructure initiative.

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 is in talks to invest $15 billion to $25 billion in OpenAI, a deal that would see the Japanese conglomerate displace Microsoft as the ChatGPT maker's biggest investor. SoftBank stock fell 1.1% in Tokyo on Thursday.