Recent market data indicates that Google's Gemini AI tool has experienced a decline in its market share. Three separate data sources, Pangram, OpenAI, and Anthropic, have reported a decrease in Gemini's market presence. Meanwhile, OpenAI's ChatGPT and Anthropic's Claude have seen significant growth, with OpenAI holding over 50% of the market and Anthropic's Claude increasing its share from 4.3 to 14.9%. Similarweb and OpenRouter also confirm the trend. This shift in market share highlights the evolving landscape of AI technology and its impact on the industry.