--- title: "Microsoft Copilot vs Perplexity: Which is more popular by branded search?" description: "Which is more popular in search, Microsoft Copilot or Perplexity? 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/microsoft-copilot-vs-perplexity" publisher: "Brandwave" --- # Microsoft Copilot vs Perplexity: Which is more popular by branded search? Which is more popular in search, Microsoft Copilot or Perplexity? 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**: Microsoft Copilot and Perplexity - **Competitive set**: AI chat assistants - **Market**: Global - **Month measured**: Aug 2026 - **Microsoft Copilot Share of Search**: 1.1% - **Perplexity Share of Search**: 0.46% ## Which is more popular in search, Microsoft Copilot or Perplexity? - In August 2026, Microsoft Copilot had more branded searches than Perplexity among AI chat assistants worldwide. Microsoft Copilot was estimated to have 26.2M branded searches compared to Perplexity’s 11.1M, and held a 1.1% Share of Search versus Perplexity’s 0.46%. - Microsoft Copilot was ahead of Perplexity in every measured month of the 11 months ending August 2026. - 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. - Across the 11 months ending August 2026, Perplexity’s estimated Share of Search among AI chat assistants worldwide moved from 1.6% to 0.46%, and its estimated monthly branded searches moved from 37.8M to 11.1M. ## How did search popularity change for AI chat assistants worldwide in August 2026? - Estimated monthly branded searches for Perplexity worldwide fell 70.5% over 11 measured months, from 37.8M to 11.1M in August 2026. - 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 | Microsoft Copilot estimated searches | Microsoft Copilot Share of Search | Microsoft Copilot rank | Perplexity estimated searches | Perplexity Share of Search | Perplexity rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 38.2M | 1.6% | 3 | 37.8M | 1.6% | 4 | | Nov 2025 | 38M | 1.7% | 3 | 29.5M | 1.3% | 4 | | Dec 2025 | 31.2M | 1.4% | 3 | 20.9M | 0.95% | 6 | | Jan 2026 | 31.4M | 1.4% | 4 | 18.4M | 0.82% | 7 | | Feb 2026 | 32.1M | 1.5% | 5 | 18.3M | 0.83% | 7 | | Mar 2026 | 38.4M | 1.6% | 5 | 19.3M | 0.78% | 7 | | Apr 2026 | 38.2M | 1.5% | 4 | 19.1M | 0.74% | 7 | | May 2026 | 38.3M | 1.3% | 4 | 15.7M | 0.54% | 7 | | Jun 2026 | 32.6M | 1.3% | 4 | 12.9M | 0.49% | 7 | | Jul 2026 | 27.1M | 1.1% | 4 | 11.2M | 0.46% | 7 | | Aug 2026 | 26.2M | 1.1% | 4 | 11.1M | 0.46% | 7 | | Sep 2026 | — | — | — | — | — | — | ## How each brand is measured Brandwave collects information about searches that people make online using Microsoft Copilot’s and Perplexity’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. - **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. - **Perplexity**: Measured on the search terms “comet browser”, “comet perplexity”, “Perplexity”, “perplexity ai”, “perplexity ai app”, “perplexity ai free”, “perplexity ai search”, “perplexity ai search engine”, “perplexity app”, “perplexity browser”, “perplexity chat”, “perplexity com”, “perplexity comet”, “perplexity download”, “perplexity finance”, “perplexity ia”, “perplexity labs”, “perplexity max”, “perplexity pro”, “perplexity search” and “perplexity.ai”, summed into one figure. - [Microsoft Copilot profile](/demand/global-en/brands/microsoft-copilot) - [Perplexity profile](/demand/global-en/brands/perplexity) - [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, Microsoft Copilot or Perplexity? In August 2026, Microsoft Copilot had more branded searches than Perplexity among AI chat assistants worldwide. Microsoft Copilot was estimated to have 26.2M branded searches compared to Perplexity’s 11.1M, and held a 1.1% Share of Search versus Perplexity’s 0.46%. ## Cite this page Brandwave. "Microsoft Copilot vs Perplexity: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/microsoft-copilot-vs-perplexity This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/microsoft-copilot-vs-perplexity. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.