On various social media platforms, however, ChatGPT users expressed frustration that GPT-5 continued to make up information ...

It also failed on a simple algebra arithmetic problem that elementary schoolers could probably nail, 5.9 = x + 5.11.

OpenAI's attempt to show off its latest GPT-5 model's awesome performance states produced wildly embarrassing gaffes.

OpenAI’s GPT-5 has arrived, delivering faster, smarter, and more reliable AI performance. We review its new model lineup, ...