OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, ...

"Elon’s own emails show that he wanted to merge a for-profit OpenAI into Tesla. That would have been great for his personal ...

NextGenAI, whose 15 founding academic partners include Harvard, the University of Oxford and MIT, will be funded with $50 ...

In her ruling denying the motion, Judge Yvonne Gonzalez Rogers wrote that Elon Musk and the other plaintiffs had “failed to ...

A California judge denied a motion by Elon Musk to stop the OpenAI artificial intelligence research group from becoming a for ...

Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select ...

About 30 researchers and engineers at Thinking Machines Lab come from rivals such as OpenAI, Meta, and Mistral, with ...

Microsoft Corp.’s $13-billion investment into OpenAI Inc. was cleared by the UK’s antitrust watchdog, ending months of ...

Chip Ganassi Racing on Friday said it has partnered on a strategic research collaboration with OpenAI — a deal that makes the ...

OpenAI's ChatGPT reaches 400M weekly users and doubles enterprise adoption to 2M+ users, signaling major AI shift as company prepares GPT-5 launch amid growing competition from DeepSeek and xAI.