New Delhi, Aug. 8 -- The anticipation around OpenAI's GPT-5 model finally came to an end as the company released the latest model to power ChatGPT during a live-stream on Thursday. OpenAI CEO Sam Altman described GPT-5 as a major step forward in AI and compared the model's abilities to that of a PhD-level expert across various fields.

OpenAI says the new model is better at reasoning, writing, coding, accuracy, health-related queries, and more, while having significantly fewer hallucinations (making stuff up that isn't true). The GPT-5 release started rolling out to users soon after the launch announcement, and the biggest change so far has been bidding adieu to previous OpenAI models.

OpenAI was employing GPT-4o to handle normal queries...