ChatGPT’s weekly users have doubled in less than a year

Additionally, Christianson says that 92 percent of Fortune 500 companies are using OpenAI’s products, while API usage has doubled following the release of the company’s cheaper and smarter model GPT-4o Mini.

Since ChatGPT’s launch in late 2022, Google, Microsoft, and Meta have also launched AI chat interfaces of their own. Today, Meta CEO Mark Zuckerberg revealed that the company’s AI assistant has reached over 400 million monthly active users and 185 million weekly active users — despite not rolling out in the UK, Brazil, or EU yet.

Update, August 30th: Added information from Mark Zuckerberg.