Grok vs Microsoft Copilot:Which is more popular by branded search?
In August 2026, Microsoft Copilot had more branded searches than Grok among AI chat assistants worldwide. Microsoft Copilot was estimated to have 26.2M branded searches compared to Grok’s 18.3M, and held a 1.1% Share of Search versus Grok’s 0.75%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
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Which is more popular in search, Grok or Microsoft Copilot?
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 by month for Microsoft Copilot, Grok. The figures are in the table below the chart.
View monthly share of search table
| Month | ChatGPT | Google Gemini | Claude | Microsoft Copilot | Grok | DeepSeek | Perplexity | Meta AI | Mistral Le Chat |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 65.8% | 28.3% | 0.66% | 1.6% | 0.78% | 1.2% | 1.6% | 0.22% | 0.01% |
| Nov 2025 | 69% | 24.4% | 0.88% | 1.7% | 1.1% | 1.3% | 1.3% | 0.29% | 0.01% |
| Dec 2025 | 68.5% | 25.8% | 0.72% | 1.4% | 1.3% | 1% | 0.95% | 0.24% | 0.01% |
| Jan 2026 | 67.2% | 26.4% | 0.99% | 1.4% | 1.9% | 1% | 0.82% | 0.29% | 0.01% |
| Feb 2026 | 68.6% | 24.9% | 1.5% | 1.5% | 1.6% | 0.85% | 0.83% | 0.24% | 0.02% |
| Mar 2026 | 64.5% | 26.6% | 3.6% | 1.6% | 1.8% | 0.93% | 0.78% | 0.21% | 0.02% |
| Apr 2026 | 61.8% | 29.1% | 4.3% | 1.5% | 1.3% | 1.1% | 0.74% | 0.25% | 0.02% |
| May 2026 | 64.1% | 27.4% | 4.5% | 1.3% | 0.94% | 0.95% | 0.54% | 0.22% | 0.02% |
| Jun 2026 | 62.3% | 29.3% | 4.7% | 1.3% | 0.86% | 0.87% | 0.49% | 0.26% | 0.02% |
| Jul 2026 | 65.8% | 26.5% | 4.4% | 1.1% | 0.75% | 0.75% | 0.46% | 0.22% | 0.01% |
| Aug 2026 | 65.9% | 26.5% | 4.4% | 1.1% | 0.75% | 0.75% | 0.46% | 0.22% | <0.01% |
| Sep 2026 | — | — | — | — | — | — | — | — | — |
How has the Grok and Microsoft Copilot comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 11 months ending August 2026: Grok took it in January 2026, Microsoft Copilot took it in April 2026.
- 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.
- Across the 11 months ending August 2026, Microsoft Copilot’s estimated Share of Search among AI chat assistants worldwide moved from 1.6% to 1.1%, and its estimated monthly branded searches moved from 38.2M to 26.2M.
How did search popularity change for AI chat assistants worldwide in August 2026?
2 changes
In August 2026, Grok rose from 6th to 5th among AI chat assistants worldwide.
Estimated monthly branded searches for Microsoft Copilot worldwide fell 31.4% over 11 measured months, from 38.2M to 26.2M in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Grok’s and Microsoft Copilot’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.
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
Microsoft Copilot
38 branded search terms
- 365 copilot
- azure copilot
- bing copilot
- Copilot
- copilot 365
- copilot ai
- copilot ai free
- copilot app
- copilot bing
- copilot business
- copilot chat
- copilot download
- copilot excel
- copilot for business
- copilot free
- copilot in excel
- copilot in word
- copilot microsoft
- copilot microsoft com
- copilot online
- copilot outlook
- copilot pro
- copilot studio
- copilot teams
- copilot windows
- copilot windows 11
- copilot.microsoft.com
- m365 copilot
- microsoft 365 copilot
- microsoft copilot
- microsoft copilot ai
- microsoft copilot app
- microsoft copilot free
- microsoft copilot pro
- microsoft copilot studio
- ms copilot
- office 365 copilot
- windows copilot
Put your own brand in this comparison
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