OpenAI ChatGPT fell to 46.4% market share in May

OpenAI's ChatGPT held 46.4% of the AI chatbot market in May, down below 50% for the first time, while its user base grew to more than 1.1 billion.

TL;DR

• ChatGPT's AI chatbot market share fell to 46.4% in May.
• Google Gemini ranked second with 27.7%, and Anthropic Claude ranked third with 10.3%.
• ChatGPT's user base still grew to more than 1.1 billion.

OpenAI's ChatGPT remained the largest AI chatbot by market share in May at 46.4%, according to the figures cited by GSMArena. The May result put ChatGPT below 50% market share for the first time since its launch, after starting from 100% when it had no direct competitors in the category.

Google Gemini held 27.7% of the AI chatbot market in May, making it the second-largest service in the ranking cited by GSMArena. Anthropic Claude followed with 10.3%, placing it third behind ChatGPT and Gemini.

ChatGPT's market share declined even as total usage increased. GSMArena reported that ChatGPT's user base passed 1.1 billion, indicating continued growth in absolute users despite increased competition from Gemini and Claude.

Related questions

• What was ChatGPT's market share in May?
• Which AI chatbots ranked behind ChatGPT in May?
• How large was ChatGPT's user base when its market share fell below 50%?