Current and former OpenAI employees plan to sell approximately $6 billion worth of shares to an investor group that includes Thrive Capital, SoftBank Group Corp. and Dragoneer Investment Group, in a deal that values the ChatGPT maker at $500 billion.

The AI startup is chasing a $500 billion valuation, with backers betting it can become the next Apple or Google. There are reasons for skepticism.

With new tools and greater autonomy, OpenAI's flagship AI chatbot is more capable, and potentially more dangerous, than ever.

Citron Research, the firm led by short-seller Andrew Left, unpacked its bear case for Palantir, using OpenAI to show why it may be highly overvalued.

OpenAI reversed the change on Tuesday, allowing the previous model to be accessible by paid users, but the episode illustrates what researchers are calling “AI Psychosis,” where overly-pleasing chatbots exacerbate delusions and create a false sense of romantic love.

A young woman took her own life after talking to an ChatGPT-based AI therapist, named Harry. In a devastating opinion piece for the New York Times, her mother, Laura Reiley, detailed the events leading up to Sophie's suicide.

About two weeks ago, OpenAI released GPT-5. The newest AI model in the GPT line, GPT-5 was put forth as the company’s “smartest, fastest, most useful model yet” with “built-in thinking” and “expert-level intelligence.” But the release backfired for one important reason.

OpenAI's Greg Brockman said startups that connect large language models to real-world applications are still extremely valuable.