Our '7 Days' weekly tech roundup brings the juiciest announcements. Read about the new Firefox mascot, Apple's lawsuit, AI in health, and other drama.

CTI-REALM is Microsoft’s open-source benchmark that evaluates AI agents on real-world detection engineering. It measures whether an agent can take cyber threat intelligence (CTI) and produce validated ...

OpenAI has announced plans to merge ChatGPT, Codex, and its Atlas browser into a single desktop superapp targeting coding and ...

OpenAI’s efforts to transform online shopping are faltering. According to new reporting from The Information, the company is walking back its plan to allow users to buy products suggested by ChatGPT ...

OpenAI's robotics hardware lead is out. Caitlin Kalinowski, who oversaw hardware within the robotics division of OpenAI, posted on X that she was resigning from her role, while criticizing the company ...

Caitlin Kalinowski spent 16 months building OpenAI’s physical AI programme. On Saturday, she said the company moved too fast on something too important. The week that began with Anthropic being ...

Caitlin Kalinowski announced today that in response to OpenAI’s controversial agreement with the Department of Defense, she’s resigned from her role leading the company’s hardware team. “This wasn’t ...

In January, Anthropic’s CEO Dario Amodei spoke with WSJ Editor in Chief Emma Tucker from the 2026 World Economic Forum in Davos, Switzerland. Photo: Maurizio Martorana for WSJ The last time Sam Altman ...

Oracle Corp. and OpenAI have scrapped plans to expand a flagship artificial intelligence data center in Texas after negotiations dragged over financing and OpenAI’s changing needs. The collapsed talks ...

A fight over Pentagon contracts shows how the leaders of Silicon Valley’s two most important A.I. start-ups are feuding over the future of the tech industry. Credit...Nick Little Supported by By Mike ...

Negotiations, threats and amended contracts have left plenty of questions. Here are some answers. By Cade Metz Cade Metz has reported on artificial intelligence for more than 15 years. Late last month ...