New York, April 3 -- OpenAI has finalised a $40 billion funding round from Masayoshi Son's SoftBank Group Corp and other investors to develop new tools and eventually pave the way towards Artificial General Intelligence (AGI).

The funding round valued OpenAI at $300 billion post-money, the Artificial Intelligence (AI) giant announced in a statement on Monday, March 31, 2025.

This financing round is the largest of all time for the company and almost doubles the company's worth compared to its previous valuation of $157 billion when it raised money in October.

It is for OpenAI to "push the frontiers of AI research even further, scale our computer infrastructure, and deliver increasingly powerful tools for the 500 million people who use C...