New Delhi, Feb. 8 -- In the autumn of 2023, Shruti Rajagopalan, a 37-year-old development sector professional from Bengaluru, was preparing for the Everest Base Camp and decided to work on her physical fitness. "Not a single trainer that suited me in my neighbourhood had time slots that worked for me. I tried scouting for a couple of months before I ran out of patience. Out of sheer desperation, I took matters in my hands and tried out Chat GPT for my workouts," Rajagopalan recalls.

Entrepreneur Murali Balan, 47, is a data nerd and a runner. He was already experimenting with large language learning models and artificial intelligence (AI) for when an idea struck him - why not use AI to prepare for my marathon?

"Last August, I started usi...