By OpenAI 's own testing, its newest reasoning models, o3 and o4 -mini, hallucinate significantly higher than o1.

A discrepancy between first- and third-party benchmark results for OpenAI's o3 AI model is raising questions about the ...

OpenAI’s o3 and o4-mini models are available now to ChatGPT Plus, Pro, and Team users. Enterprise and education users will ...

OpenAI released upgraded versions of its advanced reasoning models. These new models, named o3 and o4-mini, offer improvements over their predecessors, o1 and o3-mini, respectively. The latest models ...

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 ...

OpenAI says that it deployed a new system to monitor its latest AI reasoning models, o3 and o4-mini, for prompts related to biological and chemical threats. The system aims to prevent the models ...

OpenAI has unveiled its latest AI model, known as o3. The company claims that it can think “with images,” meaning that it understands sketches and diagrams, even low-quality ones. Alongside o3 ...

OpenAI has released its latest artificial intelligence model, which it said is capable of "thinking with images," meaning it can understand and analyze a user's sketches and diagrams, even if they ...

OpenAI has released two AI “reasoning” models that it says are its most capable yet as well as an open-source AI agent that helps computer programmers code, as the company seeks to gain a lead ...

OpenAI says it could adjust safety standards if a rival launches a risky model without safeguards. The company launched GPT-4.1 this week without a safety report. Some former employees say OpenAI ...