Brandwave

AI chat assistants:Which brands are most popular in search?

In August 2026, ChatGPT was the most searched among AI chat assistants worldwide, with an estimated 1603M branded searches and 65.9% estimated Share of Search within this set. Worldwide · English terms: these are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. ChatGPT65.9%
  2. Google Gemini26.5%
  3. Claude4.4%
  4. Microsoft Copilot1.1%
  5. Grok0.75%
  6. DeepSeek0.75%
  7. Perplexity0.46%
  8. Meta AI0.22%
  9. Mistral Le Chat<0.01%

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Share of SearchLeaderboard

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.

Share of Search among AI chat assistants worldwide, by month

Share of Search by month for ChatGPT, Google Gemini, Claude. 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—————————

This month’s ranking, August 2026

  1. 1.ChatGPT

    65.9%

    held 1st · 1603M estimated branded searches · -0.44% vs prior month · +0.1 points

  2. 2.Google Gemini

    26.5%

    held 2nd · 644M estimated branded searches · -0.6% vs prior month · 0 points

  3. 3.Claude

    4.4%

    held 3rd · 107M estimated branded searches · -1.4% vs prior month · 0 points

  4. 4.Microsoft Copilot

    1.1%

    held 4th · 26.2M estimated branded searches · -3.3% vs prior month · 0 points

  5. 5.Grok

    0.75%

    moved from 6th to 5th · 18.3M estimated branded searches · -0.17% vs prior month · 0 points

  6. 6.DeepSeek

    0.75%

    moved from 5th to 6th · 18.3M estimated branded searches · -0.44% vs prior month · 0 points

  7. 7.Perplexity

    0.46%

    held 7th · 11.1M estimated branded searches · -0.33% vs prior month · 0 points

  8. 8.Meta AI

    0.22%

    held 8th · 5.4M estimated branded searches · -1% vs prior month · 0 points

  9. 9.Mistral Le Chat

    <0.01%

    held 9th · 217K estimated branded searches · -21.8% vs prior month · 0 points

Compare search popularity between leading brands

Which brand is most popular in search among AI chat assistants worldwide?

In August 2026, ChatGPT was the most searched among AI chat assistants worldwide, with an estimated 1603M branded searches and 65.9% estimated Share of Search within this set. Google Gemini is in 2nd place, 39.4 percentage points behind at 26.5% Share of Search.

Global AI chat assistants, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
ChatGPT65.8% → 65.9%69%Nov 202561.8%Apr 20261st
Google Gemini28.3% → 26.5%29.3%Jun 202624.4%Nov 20252nd
Claude0.66% → 4.4%4.7%Jun 20260.66%Oct 20257th → 3rd
Microsoft Copilot1.6% → 1.1%1.7%Nov 20251.1%Aug 20263rd → 4th
Grok0.78% → 0.75%1.9%Jan 20260.75%Jul 20266th → 5th
DeepSeek1.2% → 0.75%1.3%Nov 20250.75%Jul 20265th → 6th
Perplexity1.6% → 0.46%1.6%Oct 20250.46%Jul 20264th → 7th
Meta AI0.22%0.29%Nov 20250.21%Mar 20268th
Mistral Le Chat0.01% → <0.01%0.02%Mar 2026<0.01%Aug 20269th

Each finding as a sentence

  • Across the 11 months ending August 2026, Google Gemini’s estimated Share of Search among AI chat assistants worldwide decreased from 28.3% to 26.5%.
  • Across the 11 months ending August 2026, Claude’s estimated Share of Search among AI chat assistants worldwide increased from 0.66% to 4.4%.
  • Across the 11 months ending August 2026, Perplexity’s estimated Share of Search among AI chat assistants worldwide decreased from 1.6% to 0.46%.
  • Across the 11 months ending August 2026, ChatGPT’s estimated Share of Search among AI chat assistants worldwide peaked at 69% in November 2025 and was lowest at 61.8% in April 2026.
  • Across the 11 months ending August 2026, Google Gemini’s estimated Share of Search among AI chat assistants worldwide peaked at 29.3% in June 2026 and was lowest at 24.4% in November 2025.
  • Across the 11 months ending August 2026, Claude’s estimated Share of Search among AI chat assistants worldwide peaked at 4.7% in June 2026 and was lowest at 0.66% in October 2025.
  • Across the 11 months ending August 2026, Grok’s estimated Share of Search among AI chat assistants worldwide peaked at 1.9% in January 2026 and was lowest at 0.75% in July 2026.
  • Across the 11 months ending August 2026, Perplexity’s estimated Share of Search among AI chat assistants worldwide peaked at 1.6% in October 2025 and was lowest at 0.46% in July 2026.
  • Across the 11 months ending August 2026, Claude rose from 7th to 3rd among AI chat assistants worldwide.
  • Across the 11 months ending August 2026, Microsoft Copilot fell from 3rd to 4th among AI chat assistants worldwide.
  • Across the 11 months ending August 2026, Grok rose from 6th to 5th among AI chat assistants worldwide.
  • Across the 11 months ending August 2026, DeepSeek fell from 5th to 6th among AI chat assistants worldwide.
  • Across the 11 months ending August 2026, Perplexity fell from 4th to 7th among AI chat assistants worldwide.
  • Across the 11 months ending August 2026, ChatGPT, Meta AI and Mistral Le Chat held steady: their estimated Share of Search among AI chat assistants worldwide each moved less than 0.5 percentage points.

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.

  2. In August 2026, DeepSeek fell from 5th to 6th among AI chat assistants worldwide.

  3. Estimated monthly branded searches for Claude worldwide rose 569.2% over 11 measured months, from 15.9M to 107M in August 2026.

  4. Estimated monthly branded searches for Perplexity worldwide fell 70.5% over 11 measured months, from 37.8M to 11.1M in August 2026.

  5. Estimated monthly branded searches for Microsoft Copilot worldwide fell 31.4% over 11 measured months, from 38.2M to 26.2M in August 2026.

  6. Estimated monthly branded searches for Mistral Le Chat worldwide fell 27.1% over 11 measured months, from 297K to 217K in August 2026.

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