OpenAI's ChatGPT Breaks User Adoption Rates to 1 million. ChatGPT, Elon Musk-founded chatbot, crosses 1 million users week after. ChatGPT crosses 1 million users five days after launch. Snapchat to roll out ChatGPT chatbot rival My AI to all users. ChatGPT gained 1 million users in under a week. Here’s why. ChatGPT AI Chatbot Is Down After Gaining 1 Million Users. Chat GPT - Sabse Tez Badht..