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Apr 18, 2026

Claude Gains Market Share as ChatGPT Bleeds Users, Gemini Captures 25% of Market

Claude doubled its market share in a single month, surpassing DeepSeek and Grok, while ChatGPT continues to lose ground. Google Gemini now captures approximately 25% of the AI chatbot market.

Apr 18, 2026·1 source
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Top claims

  • ▪OpenAI is experiencing erosion in ChatGPT's market dominance from multiple competitors including Google Gemini and Claude
  • ▪ChatGPT's declining user base represents a competitive challenge for OpenAI despite retaining the top market position
  • ▪Claude has successfully positioned itself as a viable alternative to ChatGPT in the AI chatbot market

Subtopics

AI antitrust & competition1AI assistants & chatbots1AI startups1OpenAI1

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