Meet the OpenAI Engineer Leading ChatGPT’s Biggest Transformation Yet

Thibault Sottiaux helped make AI coding one of OpenAI’s fastest-growing businesses. Now he’s overseeing a sweeping overhaul ...

Researchers trained an open source AI search agent, Harness-1, that outperforms GPT-5.4 on recalling relevant information

Harness-1 suggests that the future of agentic AI lies in building better environments for models to work within, rather than ...

A Complete Beginner’s Guide to Setting Up and Using ChatGPT 5.5

Master ChatGPT 5.5 with this comprehensive beginner guide. Discover how to use the Codex app to build spreadsheets, ...

New Shai-Hulud attack trojanizes 19 science-focused PyPI packages

Hackers compromised 19 packages on the PyPI, collectively downloaded hundreds of thousands of times, in a new Shai-Hulud ...
Harvard Business Review

The Surprising Power of Online Experiments

Getting the most out of A/B and other controlled tests by Ron Kohavi and Stefan Thomke In 2012 a Microsoft employee working on Bing had an idea about changing the way the search engine displayed ad ...