A billion prompts later, ChatGPT rewrites the record books (opens original article in a new tab)

ChatGPT achieved 1 billion users in May 2026, making it the fastest app to reach this milestone. It previously reached 1 million users in five days in 2022. Its dominance faces challenges from competitors like Google's Gemini and Anthropic's Claude.

• ChatGPT reached 1 billion users in May 2026, according to Sensor Tower.
• It became the fastest-growing consumer app ever by reaching 1 million users in five days in November 2022.
• ChatGPT's growth is challenged by Google's Gemini and Anthropic's Claude.