OpenAI's new ChatGPT model GPT-5 has the intelligence of a "legitimate Ph.D level expert in any area," CEO Sam Altman said.

OpenAI's most advanced model is finally here. From safer responses to better memory and smarter reasoning, here are the first things to test with ChatGPT-5.

The AI giant’s "OSS" models are free to use and adapt, and could give the open-source community a serious lift.