OpenAI has raised $6.6 billion from investors at a post-money valuation of $157 billion, the company announced on Wednesday, cementing the ChatGPT maker's status as one of the most valuable private companies in the world.

The funding anoints the artificial intelligence company as one of the most highly valued start-ups of all time, suggesting its backers expect OpenAI’s chatbot to become much more widely used and to haul in huge profits. Yet the new financing comes on the ...

OpenAI closed a $6.6 billion funding round that valued the booming artificial intelligence company at $157 billion, according to a Wednesday statement, a massive figure nearly double what the company was valued at early this year.