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

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

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

Hands-on comparison of OpenAI's new o3 and o4 models versus o1-pro, Deep Research, and Claude 3.7. Discover which AI tools ...

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 ...

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

OpenAI released its newest AI model and said it can understand uploaded images like whiteboards, sketches and diagrams, even ...

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

OpenAI is rolling out a pair of new artificial intelligence models that mimic the process of human reasoning to field more ...

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

OpenAI chair Bret Taylor says AI will shake up jobs — and workers who rely on old tools may be left behind.

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