New Delhi, June 29 -- New Delhi/Mountain View, California: In Mountain View, California, right next to Google's three million square-feet Googleplex headquarters, is a satellite office. While, from the outside, there's nothing seemingly special about it, the building currently houses an elite team of specialist engineers who have been tasked with only one thing: build the best foundational artificial intelligence (AI) model in the world. At the centre of its biggest room sits a man who many in Silicon Valley refer to as a living legend-Sergey Brin, Google's co-founder.

Brin retired in December 2019 but returned to the company last year to lead a light brigade of over 300 engineers, all of whom are charging at OpenAI's GPT models, Google'...