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Microsoft Copilot vs Perplexity Comet

Microsoft Copilot: Microsoft's free assistant on the web, Windows and Edge. Perplexity Comet: A web browser with an AI assistant that can browse and act for you. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

Microsoft Copilot

Best for: Windows users who want a free assistant without installing anything.

Stands out for: Free to use; Built into Windows and Edge.

Perplexity Comet

Best for: Heavy web users who want research and errands done inside the browser.

Stands out for: Assistant built into the browser; Based on Chromium, so extensions work.

Side-by-side comparison

Comparison of Microsoft Copilot, Perplexity Comet
Visit copilot.microsoft.com (opens in a new tab)Visit perplexity.ai (opens in a new tab)
What it isMicrosoft's free assistant on the web, Windows and Edge.A web browser with an AI assistant that can browse and act for you.
Pricing
Free + Paid
Free + Paid
Free to useYesYes
CategoryAI Chatbots & AssistantsAI Chatbots & Assistants
Editor rank#4 in category#9 in category
Made byMicrosoftPerplexity
Best forWindows users who want a free assistant without installing anything.Heavy web users who want research and errands done inside the browser.
Key features
  • Built into Windows and Edge
  • Web answers with linked sources
  • Image creation included
  • Assistant in every tab
  • Summarises and compares pages
  • Can carry out browsing tasks
Pros
  • Free to use
  • Built into Windows and Edge
  • Shows web sources
  • Assistant built into the browser
  • Based on Chromium, so extensions work
Cons
  • Office app features need a Microsoft 365 plan
  • Can be less flexible than rival assistants
  • Agent actions can be slow or make mistakes
  • Means switching from your current browser
Use it to
  • Get quick answers with web sources
  • Create images from a text prompt
  • Ask for help directly from Windows
  • Summarise the page you are reading
  • Ask the assistant to compare products across tabs
  • Let it fill in simple web tasks for you
Web app
iPhone & iPad
Android
Windows
Mac

Microsoft Copilot vs Perplexity Comet: questions

Is Microsoft Copilot better than Perplexity Comet?

Neither wins for everyone. Our editors rank Microsoft Copilot slightly higher overall in AI Chatbots & Assistants, but Perplexity Comet can be the better fit: Heavy web users who want research and errands done inside the browser.

Which is free, Microsoft Copilot or Perplexity Comet?

Both can be used without paying: Microsoft Copilot is free + paid and Perplexity Comet is free + paid. Paid plans add more usage or features.

Can I use Microsoft Copilot and Perplexity Comet together?

Yes. Many people keep both and pick per task, for example get quick answers with web sources with Microsoft Copilot, and summarise the page you are reading with Perplexity Comet.

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