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Feature Story
ChatGPT's user base just doubled in 6 months - to more than 400 million weekly users
Feb 24, 2025 · zdnet.com
OpenAI COO Brad Lightcap highlighted the company's success in serving 5% of the global population weekly, with over two million business users. He announced that GPT-4.5 and GPT-5 will soon be available, with unlimited access to GPT-5 for free users. Lightcap attributes ChatGPT's growth to word of mouth and the perceived value of its tools.
Key takeaways
- ChatGPT has reached over 400 million weekly users, doubling its user base since August.
- Its popularity is attributed to advanced writing capabilities and proficiency in STEM tasks.
- OpenAI continues to enhance ChatGPT with new features like GPT-4, which includes web browsing and data analysis.
- GPT-4.5 and GPT-5 are expected to be available soon, with unlimited GPT-5 access for free users.