OpenAI has released numerous models with a confusing pattern of names over the past few years. It has developed both large language models like GPT-5 and GPT-4.5 and reasoning models like o1. Here's a ...

More AI chatbots now offer a deep research option, through which they can investigate a topic for you. Acting as autonomous AI agents, the bots will surf the web on your behalf, find the right online ...

This article is adapted from an edition of our Off the Charts newsletter originally published in October 2021. Off the Charts is a weekly, subscriber-only guide to The Economist’s award-winning data ...

Microsoft AI Copilot is a tool to boost productivity and streamline workflow. However, it offers several versions. If you are wondering which version of Microsoft AI Copilot is best for you, here’s a ...