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

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

OpenAI's GPT-5.4 mini and nano launch - with near flagship performance at much lower cost ...

In response to pressure from rivals including Chinese AI company DeepSeek, OpenAI is changing the way its newest AI model, o3-mini, communicates its step-by-step “thought” process. On Thursday, OpenAI ...

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 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 ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable system ...