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 ...

OpenAI’s recently launched o3 and o4-mini AI models are state-of-the-art in many respects. However, the new models still hallucinate, or make things up — in fact, they hallucinate more than ...

Regardless, if OpenAI is saying their brand-new o3 and o4-mini models hallucinate higher than their non-reasoning models, that might be a problem for its users. UPDATE: Apr. 21, 2025, 1:16 p.m ...

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 ...

A hot potato: OpenAI's latest artificial intelligence models, o3 and o4-mini, have set new benchmarks in coding, math, and multimodal reasoning. Yet, despite these advancements, the models are ...

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 ...

OpenAI's o3 and o4-mini models for ChatGPT have arrived. In the livestream, the OpenAI team (sans CEO Sam Altman) described some of the models' capabilities and demoed how users can use o3 and o4 ...

On Monday via a livestream, OpenAI unveiled a new family of models: GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano. According to OpenAI, the family of models offers improvements in coding, instruction ...