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Key Takeaways

• ChatGPT leads the market with a dominant 82.7% share, making it by far the most visited AI chatbot platform.
• Perplexity ranks second with 8.2%, though its market share has declined from a peak of 14.1% in March 2025.
• Other competitors, including Microsoft Copilot (4.5%), Google Gemini (2.2%), DeepSeek (1.5%), and Claude (0.9%), round out a fragmented industry.

In 1955, the term “artificial intelligence” was coined and defined by Claude Shannon and three other colleagues.

Nearly 70 years later, AI has taken its most prevalent form in chatbots, dominated by ChatGPT. While multiple competitors have entered the market, it’s clear that it holds a moat—despite a lukewarm response to its recent model update.

This chart illustrates the AI chatbot market share as of July 2025, based on website visit data from Statcounter.

ChatGPT Leads the Way

Below, we show how OpenAI’s ChatGPT reigns supreme in AI chatbot market share in 2025:

As adoption booms—both across individual and enterprise users—revenue stands at an estimated $1 billion per month.

Since August 2024, global ChatGPT users have ballooned by more than double. By one estimate, it receives 2.5 billion prompts per day. Of these, about 330 million are from American users.

As we can see, Perplexity ranks in a distant second, but beats out Big Tech chatbots like Microsoft’s Copilot and Gemini’s Google. Today, the San Francisco-based startup has a $18 billion valuation, up from $1 billion in less than a year.

Meanwhile, China’s DeepSeek makes up a 1.5% share and Claude—named after the industry’s forefather—stands at 0.9%.

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