ChatGPT, the fastest consumer application to achieve 100 million active users, is dominating the GenAI space. 80% of the top 50 GenAI web products didn't exist a year ago, with ChatGPT accounting for 60% of monthly traffic. General LLM chatbots dominate, but AI companions like CharacterAI and content generation tools are gaining traction. The GenAI space is rapidly evolving, with ChatGPT leading the charge.