Chatgpt's Market Share Dips Below 50% as Competitors Gain Ground

WHO:

Techmeme - ChatGPT, Gemini, Claude, Grok, Meta AI

TechCrunch - ChatGPT, Gemini, Claude

WHAT:

Techmeme - ChatGPT's market share fell to 46.4% by the end of May.

Techmeme - Gemini's market share rose to 27.7%.

Techmeme - Claude's market share reached 10.3%.

Techmeme - Grok, Meta AI, and others have less than 5% market share.

TechCrunch - ChatGPT remains the most popular AI assistant worldwide with over 1.1 billion monthly users.

TechCrunch - Gemini has 662 million monthly users.

TechCrunch - Claude has 245 million monthly users.

WHERE:

Techmeme - The competitive landscape is changing globally as AI assistants are used by millions of people worldwide.

WHEN:

Techmeme - The market share data is from the end of May.

HOW:

Techmeme - The data was reported by Sensor Tower, indicating a shift in the AI assistant market.

(UPDATED June 16, 2026 20:13 UTC)

ChatGPT's market share has fallen to 46.4% by the end of May, while Gemini has seen a rise to 27.7% and Claude has reached 10.3%. Despite these shifts, ChatGPT remains the most popular AI assistant worldwide with over 1.1 billion monthly users, followed by Gemini with 662 million and Claude with 245 million. The competitive landscape for AI assistants is evolving globally, as reported by Sensor Tower, highlighting the growing usage among millions of people.