ChatGPT vs Microsoft Copilot:Which is more popular by branded search?
In August 2026, ChatGPT had more branded searches than Microsoft Copilot among AI chat assistants worldwide. ChatGPT was estimated to have 1603M branded searches compared to Microsoft Copilot’s 26.2M, and held a 65.9% Share of Search versus Microsoft Copilot’s 1.1%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
Follow ChatGPT vs Microsoft Copilot and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, ChatGPT 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 ChatGPT, Microsoft Copilot. 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 ChatGPT and Microsoft Copilot comparison changed over the last 12 months?
3 findings
- ChatGPT was ahead of Microsoft Copilot in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, ChatGPT’s estimated Share of Search among AI chat assistants worldwide moved from 65.8% to 65.9%, and its estimated monthly branded searches moved from 1597M to 1603M.
- 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?
1 change
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 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
76 branded search terms
- ai chat gpt
- ai chatgpt
- chat gpt
- chat gpt 4
- chat gpt 5
- chat gpt ai
- chat gpt app
- chat gpt app download
- chat gpt chat
- chat gpt com
- chat gpt download
- chat gpt free
- chat gpt online
- chat gpt online free
- chat gpt plus
- chat gpt5
- chat openai
- chat openai com
- chat-gpt
- chat.openai.com
- ChatGPT
- chatgpt 3
- chatgpt 4
- chatgpt 4o
- chatgpt 5
- chatgpt agent
- chatgpt ai
- chatgpt ai chat
- chatgpt app
- chatgpt app download
- chatgpt atlas
- chatgpt business
- chatgpt chat
- chatgpt chatbot
- chatgpt com
- chatgpt deep research
- chatgpt desktop
- chatgpt download
- chatgpt edu
- chatgpt enterprise
- chatgpt for business
- chatgpt for mac
- chatgpt for windows
- chatgpt free
- chatgpt free online
- chatgpt go
- chatgpt image generator
- chatgpt images
- chatgpt online
- chatgpt openai
- chatgpt plus
- chatgpt plus subscription
- chatgpt pricing
- chatgpt pro
- chatgpt search
- chatgpt subscription
- chatgpt team
- chatgpt voice
- chatgpt web
- chatgpt website
- chatgpt.com
- chatgpt5
- chatgptapp
- free chat gpt
- free chatgpt
- gpt chat
- gpt chats
- online chatgpt
- open ai chat gpt
- open ai chatgpt
- open chat gpt
- open chatgpt
- openai chatgpt
- www chat gpt com
- www chatgpt
- www chatgpt com
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
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.