The OpenAI o3 Mini is the latest addition to OpenAI’s reasoning series, specifically designed to deliver high performance in STEM-focused tasks. Available through ChatGPT and API access, this model is ...

UPDATE: Apr. 16, 2025, 2:18 p.m. EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...

Choosing the right AI model can feel a bit like picking the perfect tool from a crowded toolbox—each option has its strengths, but finding the one that truly fits your needs can be tricky. Whether you ...

Simply put, reasoning models are trained to "think before they speak," meaning they take more time to process the prompt but provide higher-quality responses. As a result, like older models, o3 and o4 ...

OpenAI announced on Wednesday the launch of o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding. The company calls o3 its most advanced reasoning ...

A mere two days after announcing GPT-4.1, OpenAI is releasing not one but two new models. The company today announced the public availability of o3 and o4-mini. Of the former, OpenAI says o3 is its ...

OpenAI is slowly inviting selected users to test a whole new set of reasoning models named o3 and o3 mini, successors to the o1 and o1-mini models that just entered full release earlier this month.

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 ...

OpenAI today launched o3 and o4-mini, the latest additions to its lineup of reasoning-optimized language models. The product milestone came against the backdrop of reports that the company may acquire ...

If you’ve ever opened ChatGPT and felt baffled by the alphabet soup of model names – like GPT-4o, o3, o4-mini – you’re not alone. OpenAI (the company behind ChatGPT) doesn’t exactly make it easy with ...