The Japanese corporation SoftBank Group has shown interest in investing as much as $25 billion in OpenAI, which would make it the organization’s biggest financial sponsor. According to a Bloomberg report,

Japan's SoftBank is in talks to invest as much as $25 billion into ChatGPT maker OpenAI, the Financial Times reported on Wednesday. SoftBank could invest $15 billion to $25 billion directly into Microsoft-backed OpenAI on top of its commitment of more than $15 billion to Stargate,

SoftBank has already committed $15 billion to Project Stargate, a joint venture with OpenAI to build data centers and other AI infrastructure.