--- title: "Grok vs Microsoft Copilot: Which is more popular by branded search?" description: "Which is more popular in search, Grok or Microsoft Copilot? Compare estimated monthly branded-search demand and Share of Search inside the AI chat assistants set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/grok-vs-microsoft-copilot" publisher: "Brandwave" --- # Grok vs Microsoft Copilot: Which is more popular by branded search? Which is more popular in search, Grok or Microsoft Copilot? Compare estimated monthly branded-search demand and Share of Search inside the AI chat assistants set worldwide. 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. ## Key facts - **Compared**: Grok and Microsoft Copilot - **Competitive set**: AI chat assistants - **Market**: Global - **Month measured**: Aug 2026 - **Grok Share of Search**: 0.75% - **Microsoft Copilot Share of Search**: 1.1% ## Which is more popular in search, Grok or Microsoft Copilot? - 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%. - 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? - 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. ## Month by month | Month | Grok estimated searches | Grok Share of Search | Grok rank | Microsoft Copilot estimated searches | Microsoft Copilot Share of Search | Microsoft Copilot rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 19M | 0.78% | 6 | 38.2M | 1.6% | 3 | | Nov 2025 | 24.1M | 1.1% | 6 | 38M | 1.7% | 3 | | Dec 2025 | 29.3M | 1.3% | 4 | 31.2M | 1.4% | 3 | | Jan 2026 | 43.6M | 1.9% | 3 | 31.4M | 1.4% | 4 | | Feb 2026 | 35.6M | 1.6% | 3 | 32.1M | 1.5% | 5 | | Mar 2026 | 43.2M | 1.8% | 4 | 38.4M | 1.6% | 5 | | Apr 2026 | 33.4M | 1.3% | 5 | 38.2M | 1.5% | 4 | | May 2026 | 27.4M | 0.94% | 6 | 38.3M | 1.3% | 4 | | Jun 2026 | 22.3M | 0.86% | 6 | 32.6M | 1.3% | 4 | | Jul 2026 | 18.3M | 0.75% | 6 | 27.1M | 1.1% | 4 | | Aug 2026 | 18.3M | 0.75% | 5 | 26.2M | 1.1% | 4 | | Sep 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**: Measured on the 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” and “xai grok”, summed into one figure. - **Microsoft Copilot**: Measured on the 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” and “windows copilot”, summed into one figure. - [Grok profile](/demand/global-en/brands/grok) - [Microsoft Copilot profile](/demand/global-en/brands/microsoft-copilot) - [All AI chat assistants worldwide](/demand/global-en/categories/ai-chat-assistants): The set both shares are measured inside, 9 brands. ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which is more popular in search, Grok or Microsoft Copilot? 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%. ## Cite this page Brandwave. "Grok vs Microsoft Copilot: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/grok-vs-microsoft-copilot This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/grok-vs-microsoft-copilot. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.