Neurons deep in the brain not only help to initiate movement—they also actively suppress it, and with astonishing precision. This is the conclusion of a new study by researchers at the University of ...

On Thursday, researchers at Carnegie Mellon University unveiled LegoGPT, an AI model that creates physically stable Lego structures from text prompts. The new system not only designs Lego models ...

Although the entire AI boom was triggered by just one ChatGPT model, a lot has changed since 2022. New models have been released, old models have been replaced, updates roll out and roll back ...

‘Tis the week for small AI models, it seems. Nonprofit AI research institute Ai2 on Thursday released Olmo 2 1B, a 1-billion-parameter model that Ai2 claims beats similarly-sized models from ...

Their findings, published in Nature Neuroscience, suggest that the categories of vocalizations are encoded in the bat midbrain. "While categorical perception is thought to arise in the neocortex ...

Rochester, N.Y. — The University of Rochester's Frontispace Gallery is featuring an exhibition titled "Unfurling Anatomy," created by medical student and artist Emily Salman. The exhibit delves ...

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 ...

but it doesn't feel like an enormous leap from ChatGPT-4o Artificial Intelligence I pitted Gemini 2.5 Pro against ChatGPT o3-mini to find out which AI reasoning model is best Artificial ...

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 ...

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 ...

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 ...

The original version of this story appeared in Quanta Magazine. Large language models work well because they’re so large. The latest models from OpenAI, Meta, and DeepSeek use hundreds of billio ...