I used OpenAI's best practices and optimizer to rerun my GPT-5 tests. The results were strange, inconsistent, and sometimes bizarre, raising real concerns about how much developers can trust this AI ...

Take this blind test to discover whether you truly prefer OpenAI's GPT-5 or the older GPT-4o—without knowing which model you're using.

Explore the expert-backed physical and mental health benefits of sauna therapy, from improved heart health to reduced inflammation.

US Dollar Index weak ahead of CPI, with traders pricing Fed cuts. A hot print could lift DXY above 98.317; a soft one risks a slide toward 96.377.