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 ...

OpenAI released two powerful reasoning models a few days ago that make ChatGPT even more impressive. These are o3 and o4-mini that you can test right away in ChatGPT. They're much better at reasoning ...

OpenAI surprised us all with ChatGPT's new image-generation features, which went viral a few weeks ago. However, it's worth remembering that the chatbot doesn't just create images from a text prompt; ...

OpenAI has unveiled three innovative reasoning models—o3, o4 Mini, and ChatGPT-o4 Mini High—marking a significant step forward in artificial intelligence capabilities. These models replace earlier ...

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 ...

First reported by TechCrunch, OpenAI's system card detailed the PersonQA evaluation results, designed to test for hallucinations. From the results of this evaluation, o3's hallucination rate is 33 ...

OpenAI is keeping up its rapid-fire pace of new AI releases. The company introduced the o3 and o4-mini models to its ChatGPT platform in April. At the time, the business promised that a pro model of ...

OpenAI is planning to ship an update to ChatGPT that will turn on the new o3 Pro model, which has more compute to think harder. ChatGPT currently offers o4-mini, o4-mini-high, GPT-4.5, GPT-4.1, ...

As OpenAI keeps cranking out GPT after GPT, the dropdown selector in the ChatGPT dashboard is becoming more and more crowded. Looking at all the options like GPT‑4, GPT‑4o, GPT‑4o mini, GPT‑4.5, ...

Earlier this week via blog post, OpenAI released their newest AI models: o3 and o4-mini. These models are the company’s “smartest and most capable models to date” and their first reasoning models that ...