Sam Altman-led OpenAI has finally released its much-hyped GPT-5. He called it the "smartest model" the company has ever done.

'And GPT 5 can also think, but it will do so much more quickly, so you have the best of both worlds. 'You have it reason when ...

OpenAI has released the latest version of its ChatGPT artificial intelligence platform, GPT-5, promising to deliver ...