OpenAI says it will hit 700M weekly active users for ChatGPT this week, up from 500M in March and up 4x YoY, and has 5M paying business users, up from June's 3M MacKenzie Sigalos / CNBC : CNBC 2025-08-04 MacKenzie Sigalos 700M, CNBC, MacKenzie Sigalos Related Coverage OpenAI says ChatGPT is on track to reach 700M weekly users TechCrunch