Following the recent launch of a new family of GPT-4.1 models, OpenAI released o3 and o4-mini on Wednesday, the latest ...

OpenAI launches groundbreaking o3 and o4-mini AI models that can manipulate and reason with images, representing a major ...

OpenAI has released two AI “reasoning” models that it says are its most capable yet as well as an open-source AI agent that ...

The dominant AI chipmaker’s stock plunged after a new U.S. government restriction effectively killed its H20 chip business in ...

“To me the magic is that under the hood it’s still just next-token prediction,” OpenAI President Greg Brockman said during a livestreamed demo Wednesday. “We’ve changed the ...