On the last day of OpenAI's 12 days of 'shipmas,' the company unveiled its latest models, o3 and o3-mini, which excel at reasoning and even outperform o1 on a series of benchmarks, including math and ...

OpenAI's new small models are faster and cheaper than GPT-5.4—exactly what developers and businesses actually need.

OpenAI’s new GPT-5.4 mini and nano models bring a faster, more thoughtful ChatGPT experience to free users than I expected.

Over the last week, OpenAI’s place atop the AI model hierarchy has been heavily challenged by Chinese model DeepSeek. Today, OpenAI struck back with the public release of o3-mini, its latest simulated ...

OpenAI today made its o3-mini large language model generally available for ChatGPT users and developers. Word of the launch leaked a few hours earlier. According to Wired, OpenAI brought o3-mini’s ...

OpenAI on Thursday will launch a new AI model, "GPT-4o mini," the artificial intelligence startup's latest effort to expand use of its popular chatbot. The company called the new release "the most ...

OpenAI has released a new proprietary AI model in time to counter the rapid rise of open source rival DeepSeek-R1 — but will it be enough to blunt the latter's success? Today, after several days of ...