Founded in 2022 by Akshay Akash, Ankit Kumar Pandey, Anesh Srivastav and Akshat Baranwal, Stimuler began as a college experiment and grew into a global consumer AI startup. The founders focused on building audio-AI for spoken English without shortcuts. After monetising in 2024, the company scaled to ₹20 crore ARR, with over 90% revenue coming from international markets.