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 ...

The news is a reversal from February announcements that said it would "no longer ship o3 as a standalone model." Katelyn is a reporter with CNET covering artificial intelligence, including chatbots, ...

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 preparing to launch as many as three new AI models, possibly called "o4-mini", "o4-mini-high" and "o3". Right now, ChatGPT has as many as five models, including GPT 4o (the non-reasoning ...

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 ...

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 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, ...

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On Wednesday, OpenAI launched its latest reasoning models, o3 and o4-mini. As with its other o-series models, OpenAI's o3 and o4-mini think for a longer period of time before responding in order to ...

On Wednesday, OpenAI announced the release of two new models—o3 and o4-mini—that combine simulated reasoning capabilities with access to functions like web browsing and coding. These models mark the ...

We don't just want frontier AI models to be better and faster than their predecessors; we also want them to be aligned with our values. That's the only way to ensure AI won't eventually become an ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...