OpenAI teases “5.4” as reports point to a 1M+ token context window and “extreme reasoning,” amid scrutiny over its Pentagon deal.

OpenAI launches GPT-5.4, calling it its most capable and efficient AI model yet, with AI agents, computer control, improved reasoning, and a 1M-token context.

As daylight saving time gets closer and Americans get ready for clocks to "spring forward" for 2026, the time change will affect most of the U.S. — but there are two states and several territories ...

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. Efforts to end it have stalled in Congress. By Alan Yuhas Hello. You may be here to learn when daylight saving ...