ChatGPT Codex turned an overnight Kochi Metro ride into a unique coding experience where developers built real AI powered projects while on the move. Instead of a traditional hackathon, the metro became a collaborative workspace that encouraged creativity, rapid problem solving, and live product building in a completely different setting. This is a glimpse of how AI is changing the way developers learn, build, and innovate together. #AI #ChatGPT #Codex #KochiMetro #Innovation