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ChatGPT market share drops below 50% for first time

1 hour ago

3 languages3 countries5 sources

AI summary

According to Sensor Tower's State of AI 2026 report, ChatGPT's market share fell below 50% for the first time, reaching 46.4% by the end of May 2026. It remains the most popular AI assistant with over 1.1 billion monthly active users, followed by Gemini with 662 million and Claude with 245 million.

Why this matters

  • Widely covered
  • International coverage
  • Picking up pace

Key facts

  • ChatGPT's market share fell below 50% for the first timeConfirmed by multiple sources · GIGAZINE, Gizmodo, IT之家, TechCrunch
  • The data comes from Sensor Tower's 'State of AI 2026' reportConfirmed by multiple sources · GIGAZINE, IT之家, TechCrunch
  • ChatGPT remains the most popular AI assistant with over 1.1 billion monthly usersConfirmed by multiple sources · IT之家, TechCrunch
  • Gemini has 662 million monthly users and Claude has 245 million monthly usersConfirmed by multiple sources · IT之家, TechCrunch
  • ChatGPT was the fastest app to reach 1 billion monthly active usersReported by a single source · IT之家

How outlets framed it

The sources from all three countries report that ChatGPT's market share has fallen below 50% for the first time, citing the same Sensor Tower report. While the Chinese sources emphasize the milestone of dropping below 50% and highlight that ChatGPT remains the most popular AI assistant, the Japanese source frames the news as a shift in the competitive landscape with Gemini and Claude gaining ground. The US source is the most neutral, simply stating the slip without additional emphasis on either the decline or the continued popularity.

Timeline

Sources by country