OpenAI has launched a new 'reasoning' AI model, o3-mini, the successor to the AI startup's o1 family of reasoning models.

The lights dimmed as five actors took their places around a table on a makeshift stage in a New York City art gallery turned ...

OpenAI CEO Sam Altman teased exactly two weeks ago that o3-mini would ship in “a couple of weeks,” and it’s arriving on time ...

Chesky offers previously unheard details about Altman’s brief yet tumultuous dismissal from OpenAI.

Over the last week, OpenAI's place atop the AI model hierarchy has been heavily challenged by Chinese model DeepSeek. Today, ...

OpenAI o3-mini is now available in ChatGPT and the API. Pro users will have unlimited access to o3-mini and Plus & Team users will have triple the rate limits (vs o1-mini). Free users can try o3-mini ...

Smarts matter, but so do features—here’s how popular bots stack up when performing real-world tasks.