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

Imagine a world where complex coding and machine learning tasks are no longer reserved for experts, but accessible to anyone with a vision. That world might not be as far off as it seems. Enter the ...

Microsoft Corp.-backed MSFT OpenAI has introduced the o3-mini, a new model in its reasoning series. It will be available on Friday in both ChatGPT and the API. What Happened: The o3-mini model, ...

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 ...

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 ...