[OpenAI: ChatGPT Currently Serves Over 800 Million Users Weekly] OpenAI released the 'State of AI in the Enterprise' report, revealing that ChatGPT serves over 800 million users weekly, with accelerated and deeper adoption by enterprises. Over the past year, weekly message volume for ChatGPT Enterprise has increased approximately 8x, with messages per user up by 30%. Structured workflows like Projects and Custom GPTs have grown 19x within the year, while token consumption for organizational-level reasoning has surged about 320x. Surveys show that 75% of employees report AI improves speed or quality, saving an average of 40–60 minutes daily, with heavy users saving over 10 hours weekly. The technology, healthcare, and manufacturing sectors are leading in growth, while enterprise customers in Australia, Brazil, the Netherlands, and France have increased by over 140% year-on-year. Advanced users and enterprises demonstrate significantly higher usage intensity, with constraints shifting toward organizational deployment and implementation.