We introduce a fast stepwise regression method, called the orthogonal greedy algorithm (OGA), that selects input variables to enter a p-dimensional linear regression model (with p ≫ n, the sample size ...

With NZ On Air's latest round of funding announced, Mike Hosking is wondering about the state of linear TV in New Zealand in general.

OpenAI’s open model performance on HLE. Image Credits:OpenAI Notably, OpenAI’s open models hallucinate significantly more than its latest AI reasoning models, o3 and o4-mini.

Open-source AI models tend to use more computing power than closed-source models for the same tasks.

Is AI reasoning an oxymoron? OpenAI recently raised $40 billion with a post- money valuation of $300 billion. CEO Sam Altman announced AI will replace tasks and jobs at scale — however LRMs fail ...

Toyota plans to introduce three fully-electric models in South Africa in 2026, a senior executive said on Thursday, entering a nascent EV market where Chinese rivals such as BYD are already ...

Virtual fashion models, among other industry advances in AI and data, can provide inspiration for businesses in other sectors.

GPT-5 is finally here, as OpenAI rolls its "smartest, fastest, most useful model yet" on ChatGPT, drawing on the strengths of all of its previous releases.

Artificial intelligence (AI) models from OpenAI, Google and Anthropic have been added to a government purchasing system, allowing federal agencies to buy and use the AI products.

In a nutshell: Several of the world's most advanced artificial intelligence models will soon face off in a public chess tournament. The three-day event will feature leading AIs from OpenAI, Google ...

A canonical problem in computer science is to find the shortest route to every point in a network. A new approach beats the classic algorithm taught in textbooks.