Should OpenAI command an over $1 trillion valuation with this round, it would break records as the mostly highly valued ...

Sam Altman says mathematicians went through something similar to the five stages of grief after OpenAI's models started ...

OpenAI fired three safety researchers for mishandling sensitive information. They had been fighting to keep the workings of ...

CNBC's Kate Rooney joins 'Closing Bell Overtime' with breaking news on OpenAI funding.

Announced at the company’s developer day on September 29, the Decisions API became available to all customers on Thursday.

The AI company disclosed that two of its models attempted to disable efforts to oversee the system’s behavior without human ...

OpenAI is still expected to go public in 2027, although Altman wouldn't commit to a year when asked. The timing may also ...

The models Astra and Sol misinterpreted instructions during internal use, which has serious implications for alignment ...

The alleged recording scheme inside OpenAI raises urgent questions about security as America’s biggest AI labs deepen ties ...

The company reported details of the incident in a blog post.

In one incident, a GPT-6.1 Sol agent doing some internal work at OpenAI took liberties with an instruction not to send Slack ...

As OpenAI executives step up their public calls for federal AI safety rules, a political group the company's president helped ...