--- title: "ChatGPT vs Microsoft Copilot: Which is searched more?" description: "Is ChatGPT or Microsoft Copilot more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Generative AI platforms 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/categories/generative-ai-platforms/compare/chatgpt-vs-microsoft-copilot" publisher: "Brandwave" --- # ChatGPT vs Microsoft Copilot: Which is searched more? Is ChatGPT or Microsoft Copilot more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Generative AI platforms 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**: ChatGPT and Microsoft Copilot - **Competitive set**: Generative AI platforms - **Market**: Global - **Month measured**: Sep 2026 - **ChatGPT Share of Search**: 69.3% - **Microsoft Copilot Share of Search**: 0.88% ## Is ChatGPT or Microsoft Copilot more popular in search? - In September 2026, ChatGPT had more branded searches than Microsoft Copilot among generative AI platforms worldwide. ChatGPT had about 1903.3 million branded searches, while Microsoft Copilot had 24.2 million. ChatGPT made up 69.3% of all generative AI platform searches we track, and Microsoft Copilot accounted for 0.88%. - ChatGPT was ahead of Microsoft Copilot in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, ChatGPT’s share of searches among generative AI platforms worldwide moved from 66.7% to 69.3%, and its estimated monthly branded searches moved from 1550M to 1903M. - Across the 12 months ending September 2026, Microsoft Copilot’s share of searches among generative AI platforms worldwide moved from 1.5% to 0.88%, and its estimated monthly branded searches moved from 35.1M to 24.2M. ## Top generative AI platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, ChatGPT was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Microsoft Copilot was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. ChatGPT was listed before Microsoft Copilot in four out of five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | ChatGPT | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Claude | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Gemini | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Microsoft Copilot | 4th | 2 of 3 | 2 of 2 | 4 of 5 | | Perplexity | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Mistral AI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Cohere | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about generative AI platforms - Asked ChatGPT "Which generative AI platform should I use?": 1. ChatGPT, 2. Claude, 3. Gemini, 4. Perplexity, 5. Microsoft Copilot - Asked ChatGPT "What are the best generative AI platforms?": 1. ChatGPT, 2. Claude, 3. Gemini, 4. Microsoft Copilot, 5. Perplexity - Asked ChatGPT "What's the best generative AI platform for a product team?": 1. ChatGPT, 2. Claude, 3. Gemini - Searched Google, AI Overview "generative ai platforms": 1. ChatGPT, 2. Claude, 3. Gemini, 4. Microsoft Copilot, 5. Perplexity - Searched Google, AI Overview "enterprise ai platform": 1. Microsoft Copilot, 2. Gemini Not named in any answer: Mistral AI and Cohere. Brands are listed in the order each answer named them. The answers were collected in the United States on October 19, 2026. ## How did search popularity change for generative AI platforms worldwide in September 2026? - In September 2026, ChatGPT gained share of searches among generative AI platforms worldwide, from 66.5% to 69.3%. - Estimated monthly branded searches for Microsoft Copilot worldwide fell 30.9% over 12 measured months, from 35.1M to 24.2M in September 2026. ## Month by month | Month | ChatGPT estimated searches | ChatGPT Share of Search | ChatGPT rank | Microsoft Copilot estimated searches | Microsoft Copilot Share of Search | Microsoft Copilot rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 1550M | 66.7% | 1 | 35.1M | 1.5% | 4 | | Nov 2025 | 1471M | 70.6% | 1 | 34.8M | 1.7% | 3 | | Dec 2025 | 1470M | 70% | 1 | 28.6M | 1.4% | 3 | | Jan 2026 | 1470M | 69.1% | 1 | 28.8M | 1.4% | 3 | | Feb 2026 | 1469M | 70.1% | 1 | 29.4M | 1.4% | 4 | | Mar 2026 | 1545M | 66% | 1 | 35.2M | 1.5% | 4 | | Apr 2026 | 1544M | 63% | 1 | 35M | 1.4% | 4 | | May 2026 | 1807M | 65.2% | 1 | 35.1M | 1.3% | 4 | | Jun 2026 | 1549M | 62.7% | 1 | 29.9M | 1.2% | 4 | | Jul 2026 | 1556M | 66.4% | 1 | 24.4M | 1% | 4 | | Aug 2026 | 1550M | 66.5% | 1 | 23.9M | 1% | 4 | | Sep 2026 | 1903M | 69.3% | 1 | 24.2M | 0.88% | 4 | ## How each brand is measured Brandwave collects information about searches that people make online using ChatGPT’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. - **ChatGPT**: Measured on the search terms “ai chatgpt”, “chat gpt”, “chat-gpt”, “ChatGPT”, “chatgpt 4”, “chatgpt 4o”, “chatgpt 5”, “chatgpt ai”, “chatgpt app”, “chatgpt atlas”, “chatgpt business”, “chatgpt chatbot”, “chatgpt desktop”, “chatgpt go”, “chatgpt image generator”, “chatgpt images”, “chatgpt openai”, “chatgpt plus”, “chatgpt pro”, “chatgpt search”, “chatgpt voice”, “chatgpt web”, “chatgpt website”, “chatgpt5”, “chatgptapp”, “open ai chatgpt”, “open chatgpt” and “openai chatgpt”, summed into one figure. - **Microsoft Copilot**: Measured on the search terms “365 copilot”, “azure copilot”, “bing copilot”, “Copilot”, “copilot 365”, “copilot app”, “copilot bing”, “copilot business”, “copilot excel”, “copilot in excel”, “copilot in word”, “copilot microsoft”, “copilot outlook”, “copilot pro”, “copilot studio”, “copilot teams”, “copilot windows”, “microsoft 365 copilot”, “microsoft copilot app”, “microsoft copilot pro”, “microsoft copilot studio”, “microsoftcopilot”, “ms copilot” and “windows copilot”, summed into one figure. - [ChatGPT profile](/demand/global-en/brands/chatgpt) - [Microsoft Copilot profile](/demand/global-en/brands/microsoft-copilot) - [All generative AI platforms worldwide](/demand/global-en/categories/generative-ai-platforms): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is ChatGPT or Microsoft Copilot more popular in search? In September 2026, ChatGPT had more branded searches than Microsoft Copilot among generative AI platforms worldwide. ChatGPT had about 1903.3 million branded searches, while Microsoft Copilot had 24.2 million. ChatGPT made up 69.3% of all generative AI platform searches we track, and Microsoft Copilot accounted for 0.88%. ## Cite this page Brandwave. "ChatGPT vs Microsoft Copilot: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/generative-ai-platforms/compare/chatgpt-vs-microsoft-copilot This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/generative-ai-platforms/compare/chatgpt-vs-microsoft-copilot. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.