ChatGPT

Launched in the US by OpenAI in 2022, ChatGPT continues to dominate the AI chatbot space. In 2025, it recorded more than 46.5 billion visits, accounting for 48.36% of all global traffic in the category—four times the combined traffic of its ten closest competitors. Its user base grew by 106% year-over-year, reflecting rapid audience expansion and reinforcing its position as the global market leader.

DeepSeek

Introduced in China in 2023, DeepSeek has claimed the second spot among the most popular chatbots. In 2025, it reached 2.74 billion visits, a staggering 48,848% increase from the previous year. The explosive growth has propelled the service into the ranks of global leaders, earning it recognition as one of the fastest-rising AI solutions in the market.

Gemini

Developed by Google and launched in the US in 2023, Gemini secured the third position on the list of most-used chatbots in 2025. Over the year, its traffic climbed to 1.66 billion visits, marking a 156% increase compared to the previous period. This surge illustrates the growing influence of Gemini in the AI assistant space.

Perplexity

Launched in the US in 2022, Perplexity emerged as a front-runner in the chatbot market. In 2025, it recorded 1.47 billion visits, marking an impressive 227% year-over-year gain. The chatbot’s popularity reflects strong user interest in its hybrid functionality, which combines generative AI with search capabilities.

Claude

Claude, launched in the US in 2023 by Anthropic, rounds out the top five list. In 2025, it reached 1.15 billion visits, up 201% from the previous year. This sharp rise is driven by expanded model capabilities, increased business adoption, and a surge in user engagement.