---
title: "Microsoft Copilot vs Perplexity: Which is searched more?"
description: "Is Microsoft Copilot or Perplexity 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/microsoft-copilot-vs-perplexity"
publisher: "Brandwave"
---

# Microsoft Copilot vs Perplexity: Which is searched more?

Is Microsoft Copilot or Perplexity 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**: Microsoft Copilot and Perplexity
- **Competitive set**: Generative AI platforms
- **Market**: Global
- **Month measured**: Sep 2026
- **Microsoft Copilot Share of Search**: 0.88%
- **Perplexity Share of Search**: 0.49%

## Is Microsoft Copilot or Perplexity more popular in search?

- In September 2026, Microsoft Copilot had more branded searches than Perplexity among generative AI platforms worldwide. Microsoft Copilot had about 24.2 million branded searches, while Perplexity had 13.4 million. Microsoft Copilot made up 0.88% of all generative AI platform searches we track, and Perplexity accounted for 0.49%.
- The lead changed hands once in the 12 months ending September 2026: Microsoft Copilot took it in November 2025.
- 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.
- Across the 12 months ending September 2026, Perplexity’s share of searches among generative AI platforms worldwide moved from 1.6% to 0.49%, and its estimated monthly branded searches moved from 37.7M to 13.4M.

## Top generative AI platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and 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. Perplexity was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Microsoft Copilot was listed before Perplexity in three out of four answers that named either.

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?

- Estimated monthly branded searches for Perplexity worldwide fell 64.4% over 12 measured months, from 37.7M to 13.4M in September 2026.
- 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 | Microsoft Copilot estimated searches | Microsoft Copilot Share of Search | Microsoft Copilot rank | Perplexity estimated searches | Perplexity Share of Search | Perplexity rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 35.1M | 1.5% | 4 | 37.7M | 1.6% | 3 |
| Nov 2025 | 34.8M | 1.7% | 3 | 29.5M | 1.4% | 4 |
| Dec 2025 | 28.6M | 1.4% | 3 | 20.9M | 1% | 4 |
| Jan 2026 | 28.8M | 1.4% | 3 | 18.4M | 0.86% | 5 |
| Feb 2026 | 29.4M | 1.4% | 4 | 18.3M | 0.87% | 5 |
| Mar 2026 | 35.2M | 1.5% | 4 | 19.2M | 0.82% | 5 |
| Apr 2026 | 35M | 1.4% | 4 | 19.1M | 0.78% | 5 |
| May 2026 | 35.1M | 1.3% | 4 | 15.6M | 0.56% | 5 |
| Jun 2026 | 29.9M | 1.2% | 4 | 12.8M | 0.52% | 5 |
| Jul 2026 | 24.4M | 1% | 4 | 11.1M | 0.47% | 5 |
| Aug 2026 | 23.9M | 1% | 4 | 11.1M | 0.47% | 5 |
| Sep 2026 | 24.2M | 0.88% | 4 | 13.4M | 0.49% | 5 |

## 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 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.
- **Perplexity**: Measured on the search terms “comet browser”, “comet perplexity”, “perplexity”, “perplexity ai”, “perplexity ai app”, “perplexity ai search”, “perplexity app”, “perplexity browser”, “perplexity comet”, “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 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 Microsoft Copilot or Perplexity more popular in search?

In September 2026, Microsoft Copilot had more branded searches than Perplexity among generative AI platforms worldwide. Microsoft Copilot had about 24.2 million branded searches, while Perplexity had 13.4 million. Microsoft Copilot made up 0.88% of all generative AI platform searches we track, and Perplexity accounted for 0.49%.

## Cite this page

Brandwave. "Microsoft Copilot vs Perplexity: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/generative-ai-platforms/compare/microsoft-copilot-vs-perplexity

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