OpenAI's reasoning AI models are getting better, but their hallucinating isn't, according to benchmark results.

Both o3 and o4-mini models, released earlier this week, are only available to paying ChatGPT users at the moment.

After OpenAI put out an update to ChatGPT that led to the Studio Ghibli meme craze, I imagine somebody there saw how it took ...

OpenAI’s o3 and o4-mini models are available now to ChatGPT Plus, Pro, and Team users. Enterprise and education users will ...

In 27 months, OpenAI has captured the lion's share of the AI market, and it has managed to one-up itself with every product ...

OpenAI, xAI, Meta, and other companies are trying to add an AI element to the most human activity of all: being part of a ...

OpenAI has launched a new API option, Flex processing, for cheaper, slower jobs that leverage its o3 and o4-mini reasoning AI ...

Wei and team don't directly offer any hypothesis about why Deep Research fails almost half the time, but the implicit answer ...

OpenAI says it could adjust its AI safety policy if a rival ships a high-risk model without safeguards. Critics say it's ...

OpenAI is seeking data center talent as it reduces its reliance on Microsoft and ramps up its own infrastructure ambitions.

OpenAI closed a $40 billion funding round, the largest on record for a private tech company, at a $300 billion valuation.

OpenAI has named labor leader Dolores Huerta and three others to a temporary advisory board that will help guide the ...