How Many People Use Each AI Assistant

Three assistants now claim user bases near or above a billion, though the companies report different metrics. ChatGPT counts weekly actives while Meta AI and Gemini report monthly actives.

1. 01

   900 million weekly active users made ChatGPT the most used AI chatbot as of February 2026, per OpenAI.

   Source: TechCrunch, 2026

2. 02

   Over 900 million monthly active users were on Google's Gemini app as of May 2026, more than doubling from 400 million a year earlier, with daily requests up over 7x.

   Source: Google, 2026

3. 03

   1 billion monthly active users were using Meta AI across Meta's apps by May 2025, double the 500 million reported in September 2024.

   Source: CNBC, 2025

4. 04

   150 million monthly active users were using Microsoft's family of first-party Copilots as of the company's January 2026 earnings commentary.

   Source: TechCrunch, 2026

5. 05

   2.5 billion monthly users see Google's AI Overviews, and AI Mode in Search passed 1 billion monthly active users within a year of launch.

   Source: Google, 2026

6. 06

   1.7 billion downloads of generative AI apps were recorded in the first half of 2025 while the category doubled its revenue.

   Source: TechCrunch, 2025

Chatbot Market Share and Traffic

ChatGPT still leads by a wide margin, but its near-monopoly has ended. Gemini has taken most of the share ChatGPT lost over the past 18 months.

1. 07

   53.9 percent of worldwide web visits across the seven largest AI chatbots went to ChatGPT in May 2026, per Similarweb data.

   Source: Similarweb via Momentic, 2026

2. 08

   27.9 percent of chatbot web traffic went to Gemini in May 2026, with Claude third at 9.2 percent, DeepSeek at 4.1 percent, Grok at 2.4 percent, and Perplexity and Copilot at 1.3 percent each.

   Source: Similarweb via Momentic, 2026

3. 09

   ChatGPT's share of generative AI web traffic fell from 86.7 percent in January 2025 to below 65 percent in January 2026, while Gemini grew from 5.7 percent to over 20 percent, per Similarweb.

   Source: Similarweb, 2026

4. 10

   5.7 billion web visits went to ChatGPT in January 2026, versus 2.1 billion for Gemini, 314 million for Grok, 298.3 million for DeepSeek, and 202.9 million for Claude.

   Source: Forbes (Similarweb data), 2026

5. 11

   Grok passed DeepSeek in January 2026 to become the third most visited AI chatbot in the world, with 53.8 percent of its visitors that month new to the platform.

   Source: Forbes (Similarweb data), 2026

6. 12

   770 percent growth in web visits made Claude one of the fastest risers between September 2024 and March 2026, and Gemini's mobile app monthly actives grew over 1,100 percent in the same window.

   Source: Similarweb, 2026

Consumer Usage Rates

Half of American adults have now tried an AI chatbot, and a quarter use one every day. ChatGPT remains the default choice by a wide margin.

1. 13

   49 percent of US adults have used an AI chatbot as of mid-2026, up from 33 percent in 2024, per Pew Research Center.

   Source: Pew Research Center, 2026

2. 14

   44 percent of US adults have used ChatGPT, followed by Gemini at 24 percent, Copilot at 17 percent, and Meta AI at 14 percent.

   Source: Pew Research Center, 2026

3. 15

   8 percent of US adults have used Grok, 6 percent have used Claude, and 3 percent have used Character.ai.

   Source: Pew Research Center, 2026

4. 16

   24 percent of US adults use AI chatbots at least daily, including 4 percent who say they use them almost constantly.

   Source: Pew Research Center, 2026

5. 17

   42 percent of US chatbot users search for information with them, 25 percent use them for entertainment, and 20 percent seek medical or fitness advice.

   Source: Pew Research Center, 2026

6. 18

   53 percent population adoption was reached by generative AI within three years of ChatGPT's launch, a faster ramp than the PC or the internet, per the Stanford AI Index.

   Source: Stanford AI Index, 2026

Business Adoption

Business adoption of AI assistants is broad but uneven. Paid seat counts are growing fast, yet free-to-paid conversion remains a challenge even for Microsoft.

1. 19

   88 percent of organizations use AI in at least one business function, up from 78 percent a year earlier, per McKinsey's November 2025 survey of nearly 2,000 respondents.

   Source: McKinsey, 2025

2. 20

   Over 20 million paid Microsoft 365 Copilot seats were active as of April 2026, and the number of companies paying for more than 50,000 seats quadrupled year over year.

   Source: TechCrunch, 2026

3. 21

   Only 3.3 percent of Microsoft Copilot Chat users pay for the product, Microsoft disclosures showed in early 2026.

   Source: The Register, 2026

4. 22

   More than 9 million businesses pay for ChatGPT work products as of February 2026, per OpenAI.

   Source: Search Engine Land, 2026

Customer Service Chatbots

Customer service is the proving ground for AI chatbots in business, and the record is mixed: dramatic efficiency gains, followed in at least one famous case by a partial retreat.

1. 23

   80 percent of common customer service issues will be resolved autonomously by agentic AI by 2029, cutting operational costs by about 30 percent, Gartner predicts.

   Source: Gartner, 2025

2. 24

   2.3 million conversations were handled by Klarna's AI assistant in its first month, two-thirds of the company's customer service chats and the workload of 700 full-time agents.

   Source: Klarna, 2024

3. 25

   Under 2 minutes was Klarna's average resolution time with its AI assistant, down from 11 minutes, with a projected $40 million profit improvement in 2024.

   Source: Klarna, 2024

4. 26

   Klarna reversed course in May 2025 and began hiring human customer service agents again after concluding its AI-heavy approach hurt service quality.

   Source: Fortune, 2025

5. 27

   16 percent of enterprise AI deployments are true autonomous agents, while 84 percent remain fixed-sequence or routing-based workflows, per Menlo Ventures.

   Source: Menlo Ventures, 2025

Sources

Every statistic on this page links to the publication where the number appears. Data comes from 19 sources.

• TechCrunch: https://techcrunch.com/2026/02/27/chatgpt-reaches-900m-weekly-active-users/
• Google: https://blog.google/innovation-and-ai/sundar-pichai-io-2026/
• CNBC: https://www.cnbc.com/2025/05/28/zuckerberg-meta-ai-one-billion-monthly-users.html
• TechCrunch: https://techcrunch.com/2026/01/29/satya-nadella-insists-people-are-using-microsofts-copilot-ai-a-lot/
• TechCrunch: https://techcrunch.com/2025/07/30/gen-ai-apps-doubled-their-revenue-grew-to-1-7b-downloads-in-first-half-of-2025/
• Similarweb via Momentic: https://momenticmarketing.com/blog/top-ai-chatbots
• Similarweb: https://x.com/Similarweb/status/2008805674893939041
• Forbes (Similarweb data): https://www.forbes.com/sites/conormurray/2026/02/11/elon-musks-grok-surpasses-deepseek-to-become-third-biggest-ai-chatbot/
• Similarweb: https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/
• Pew Research Center: https://www.pewresearch.org/internet/2026/06/17/americans-and-ai-2026-chatbots-smart-devices-and-views-on-impact/
• Stanford AI Index: https://hai.stanford.edu/news/inside-the-ai-index-12-takeaways-from-the-2026-report
• McKinsey: https://www.mckinsey.com/capabilities/quantumblack/our-insights/the-state-of-ai
• TechCrunch: https://techcrunch.com/2026/04/29/microsoft-says-it-has-over-20m-paid-copilot-users-and-they-really-are-using-it/
• The Register: https://www.theregister.com/2026/02/02/microsoft_ai_spend_copilot/
• Search Engine Land: https://searchengineland.com/chatgpt-900-million-weekly-active-users-470492
• Gartner: https://www.gartner.com/en/newsroom/press-releases/2025-03-05-gartner-predicts-agentic-ai-will-autonomously-resolve-80-percent-of-common-customer-service-issues-without-human-intervention-by-20290
• Klarna: https://www.klarna.com/international/press/klarna-ai-assistant-handles-two-thirds-of-customer-service-chats-in-its-first-month/
• Fortune: https://fortune.com/2025/05/09/klarna-ai-humans-return-on-investment/
• Menlo Ventures: https://menlovc.com/perspective/2025-the-state-of-generative-ai-in-the-enterprise/

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