Nigeria, Feb. 11 -- A group of investors led by Tesla CEO Elon Musk has made an unsolicited proposal of $97.4 billion for OpenAI, the artificial intelligence (AI) company Musk co-founded.

The action exacerbates Musk and OpenAI's continuing disagreement about the company's course and conversion from a charity to a for-profit business.

Musk said he intended to return OpenAI to its founding purpose as a "safety-focused, open-source force for good."

In a post on Musk's social media network, X (previously Twitter), OpenAI CEO Sam Altman quickly rejected the offer, joking, "No thank you, but we will buy Twitter for $9.74 billion if you want."

In 2022, Musk paid $44 billion for Twitter. However, outsider estimates indicate that the company's...