Brandwave

ChatGPT vs Grok:Which is more popular by branded search?

In August 2026, ChatGPT had more branded searches than Grok among AI chat assistants worldwide. ChatGPT was estimated to have 1603M branded searches compared to Grok’s 18.3M, and held a 65.9% Share of Search versus Grok’s 0.75%. Worldwide · English terms: these are worldwide searches for English-language branded terms.

Share of Search among AI chat assistants worldwide in August 2026Which is more popular in search, ChatGPT or Grok?
ChatGPT65.9%1603M searches
vs
Grok0.75%18.3M searches

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Which is more popular in search, ChatGPT or Grok?

Compare general-purpose AI chat assistants, measured through worldwide English-language branded search demand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

ChatGPT and Grok among AI chat assistants worldwide, by month

Share of Search by month for ChatGPT, Grok. The figures are in the table below the chart.

View monthly share of search table
MonthChatGPTGoogle GeminiClaudeMicrosoft CopilotGrokDeepSeekPerplexityMeta AIMistral Le Chat
Oct 202565.8%28.3%0.66%1.6%0.78%1.2%1.6%0.22%0.01%
Nov 202569%24.4%0.88%1.7%1.1%1.3%1.3%0.29%0.01%
Dec 202568.5%25.8%0.72%1.4%1.3%1%0.95%0.24%0.01%
Jan 202667.2%26.4%0.99%1.4%1.9%1%0.82%0.29%0.01%
Feb 202668.6%24.9%1.5%1.5%1.6%0.85%0.83%0.24%0.02%
Mar 202664.5%26.6%3.6%1.6%1.8%0.93%0.78%0.21%0.02%
Apr 202661.8%29.1%4.3%1.5%1.3%1.1%0.74%0.25%0.02%
May 202664.1%27.4%4.5%1.3%0.94%0.95%0.54%0.22%0.02%
Jun 202662.3%29.3%4.7%1.3%0.86%0.87%0.49%0.26%0.02%
Jul 202665.8%26.5%4.4%1.1%0.75%0.75%0.46%0.22%0.01%
Aug 202665.9%26.5%4.4%1.1%0.75%0.75%0.46%0.22%<0.01%
Sep 2026—————————

How has the ChatGPT and Grok comparison changed over the last 12 months?

  • ChatGPT was ahead of Grok in every measured month of the 11 months ending August 2026.
  • Across the 11 months ending August 2026, ChatGPT’s estimated Share of Search among AI chat assistants worldwide moved from 65.8% to 65.9%, and its estimated monthly branded searches moved from 1597M to 1603M.
  • Across the 11 months ending August 2026, Grok’s estimated Share of Search among AI chat assistants worldwide moved from 0.78% to 0.75%, and its estimated monthly branded searches moved from 19M to 18.3M.

How did search popularity change for AI chat assistants worldwide in August 2026?

  1. In August 2026, Grok rose from 6th to 5th among AI chat assistants worldwide.

How each brand is measured

Brandwave collects information about searches that people make online using ChatGPT’s and Grok’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

ChatGPT

76 branded search terms

  • ai chat gpt
  • ai chatgpt
  • chat gpt
  • chat gpt 4
  • chat gpt 5
  • chat gpt ai
  • chat gpt app
  • chat gpt app download
  • chat gpt chat
  • chat gpt com
  • chat gpt download
  • chat gpt free
  • chat gpt online
  • chat gpt online free
  • chat gpt plus
  • chat gpt5
  • chat openai
  • chat openai com
  • chat-gpt
  • chat.openai.com
  • ChatGPT
  • chatgpt 3
  • chatgpt 4
  • chatgpt 4o
  • chatgpt 5
  • chatgpt agent
  • chatgpt ai
  • chatgpt ai chat
  • chatgpt app
  • chatgpt app download
  • chatgpt atlas
  • chatgpt business
  • chatgpt chat
  • chatgpt chatbot
  • chatgpt com
  • chatgpt deep research
  • chatgpt desktop
  • chatgpt download
  • chatgpt edu
  • chatgpt enterprise
  • chatgpt for business
  • chatgpt for mac
  • chatgpt for windows
  • chatgpt free
  • chatgpt free online
  • chatgpt go
  • chatgpt image generator
  • chatgpt images
  • chatgpt online
  • chatgpt openai
  • chatgpt plus
  • chatgpt plus subscription
  • chatgpt pricing
  • chatgpt pro
  • chatgpt search
  • chatgpt subscription
  • chatgpt team
  • chatgpt voice
  • chatgpt web
  • chatgpt website
  • chatgpt.com
  • chatgpt5
  • chatgptapp
  • free chat gpt
  • free chatgpt
  • gpt chat
  • gpt chats
  • online chatgpt
  • open ai chat gpt
  • open ai chatgpt
  • open chat gpt
  • open chatgpt
  • openai chatgpt
  • www chat gpt com
  • www chatgpt
  • www chatgpt com

Grok

18 branded search terms

  • Grok
  • grok 3
  • grok 4
  • grok ai
  • grok ai free
  • grok ai image
  • grok ai video
  • grok app
  • grok chat
  • grok com
  • grok download
  • grok imagine
  • grok twitter
  • grok x
  • grok xai
  • supergrok
  • x grok
  • xai grok

How the Brand Demand Index is measured

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Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.