Your grade school teacher probably didn’t show you how to add 20-digit numbers. But if you know how to add smaller numbers, all you need is paper and pencil and a bit of patience. Start with the ones ...

Shortly after Hunter Lightman joined OpenAI as a researcher in 2022, he watched his colleagues launch ChatGPT, one of the fastest-growing products ever. Meanwhile, Lightman quietly worked on a team ...

Artificial intelligence (AI) tools that translate text descriptions into images and video are advancing rapidly. Just as many researchers are using ChatGPT to transform the process of scientific ...

GPT-4.5 is here, and OpenAI’s newest generative AI model is bigger and more compute-intensive than ever—it’s supposedly also better at understanding what ChatGPT users mean with their prompts. Users ...

How did a little-known Chinese start-up cause the markets and U.S. tech giants to quake? Here’s what to know. By Cade Metz Reporting from San Francisco Tech stocks tumbled. Giant companies like Meta ...