At an event on Thursday night, OpenAI unveiled GPT-5, and called it its "best AI system yet." This new model is not just faster or more intelligent on paper, but it is designed to be more useful in ...

When OpenAI released GPT-5.1, it didn’t sound like much more than a routine update, another decimal in a sea of upgrades. But this “.1” hides a quiet transformation. GPT-5.1 is faster, more consistent ...