ChatGPT leads global and Ukrainian chatbot markets, with Microsoft Copilot gaining traction

ChatGPT remains the dominant AI chatbot globally, holding 80.92% of the market share in August 2025. Microsoft Copilot shows significant growth, reaching 4-5% market share, while Perplexity has seen a decline. Other chatbots like Google Gemini, Deepseek, and Claude collectively hold 5.75%. In Ukraine, ChatGPT's dominance is even stronger at 92.61%, followed by Microsoft Copilot and Google Gemini. Recent research indicates AI chatbots are becoming less accurate.