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ChatGPT Market Share Drops Below 50% Amidst Rising Competition
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ChatGPT Market Share Drops Below 50% Amidst Rising Competition

WireByte Staff · June 16, 2026

OpenAI's ChatGPT has fallen below a 50% global market share for the first time, now at 46.4% as of May. This decline is attributed to the growing popularity of AI assistants from competitors like Google's Gemini and Anthropic's Claude. Users are increasingly switching between services, indicating a dynamic and competitive AI assistant landscape.

Key points

  • OpenAI's ChatGPT global market share has dropped to 46.4% in May, falling below 50% for the first time.
  • Google's Gemini has gained market share to 27.7%, while Anthropic's Claude holds 10.3%.
  • ChatGPT remains the most popular AI assistant with over 1.1 billion monthly users, followed by Gemini (662 million) and Claude (245 million).
  • Analytics firm Sensor Tower's report indicates users are more willing to switch between AI assistants.
  • The shift reflects a rapidly evolving and competitive market for AI assistants worldwide.

OpenAI's flagship AI assistant, ChatGPT, has seen its global market share dip below 50% for the first time since its widely celebrated launch, according to a new report from analytics firm Sensor Tower.

As of May, ChatGPT's market share stood at 46.4%. This marks a significant shift in the rapidly evolving artificial intelligence assistant landscape. Competitors like Google's Gemini and Anthropic's Claude have seen their user bases and market presence grow substantially. Gemini now accounts for 27.7% of the market, with Claude holding 10.3%.

Despite the decrease in market share percentage, ChatGPT still commands the largest user base, boasting over 1.1 billion monthly active users. Gemini follows with 662 million monthly users, and Claude with 245 million. The report highlights a trend of increased user willingness to transition between different AI assistants, suggesting a more dynamic and competitive future for the sector.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.