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Perplexity vs Microsoft 365 Copilot: Complete Comparison 2026

Choosing between Perplexity and Microsoft 365 Copilot? We compare both tools across features, pricing, pros and cons to help you decide which is the better fit in 2026.

Perplexity8.8

Perplexity AI · Chatbots & LLMs, Writing

Perplexity is an AI answer engine that combines live web search with large language models to deliver cited, up-to-date answers. Instead of a blank chat, it returns sourced summaries with follow-up questions, making it a popular replacement for traditional search. Pro mode taps frontier models and deeper research, and its API exposes the same search-grounded answers.

Microsoft 365 Copilot8.3

Microsoft · Productivity, Writing

Microsoft 365 Copilot embeds AI across Word, Excel, PowerPoint, Outlook and Teams to draft, analyse and summarise using your work data. It's the default AI layer for Microsoft-centric enterprises.

Key differences at a glance

  • •Perplexity scores higher overall (8.8 vs 8.3).
  • •Perplexity has a free tier; Microsoft 365 Copilot does not.
  • •Perplexity leans on always-cited, current answers.
  • •Microsoft 365 Copilot leans on deep office integration.

Side-by-side comparison

FeaturePerplexityPerplexity AIMicrosoft 365 CopilotMicrosoft
Quality score8.8 / 108.3 / 10
Starting price$20/mo$30/mo
Free tierYes — Free tier availableNo
API input price$3 / 1M tokens—
API output price$15 / 1M tokens—
SpeedFast—
Context windowVaries by model—
CategoriesChatbots & LLMs, WritingProductivity, Writing
Key features
  • Live web search with citations
  • Choice of underlying frontier models
  • Focus modes (academic, writing, etc.)
  • Deep research reports
  • Drafting in Word and Outlook
  • Excel analysis and formulas
  • PowerPoint generation
  • Teams meeting recaps
Pros
  • + Always-cited, current answers
  • + Great for research and fact-finding
  • + Clean, fast interface
  • + Deep Office integration
  • + Works on your real data
  • + Enterprise security
Cons
  • − Less suited to long creative tasks
  • − Depends on quality of web sources
  • − Premium per-seat price
  • − Requires M365 ecosystem

Perplexity

Choose Perplexity if you want always-cited, current answers and a free tier to start.

Microsoft 365 Copilot

Choose Microsoft 365 Copilot if you want deep office integration.

Pricing comparison

Perplexity
$20/mo
API: $3 in / $15 out per 1M tokens
Microsoft 365 Copilot
$30/mo
查看即時 API 價格數據 → llmprice.app

The verdict

Overall, Perplexity edges ahead with a quality score of 8.8 versus 8.3 for Microsoft 365 Copilot. Choose Perplexity if you want always-cited, current answers. That said, Microsoft 365 Copilot is the better pick when deep office integration matters most — so the right answer depends on your priorities and budget.

Try Perplexity →Try Microsoft 365 Copilot →

Frequently asked questions

Q. Which is better, Perplexity or Microsoft 365 Copilot?

On our scoring, Perplexity edges ahead (8.8/10), but the right pick depends on your priorities and budget — see the breakdown above.

Q. Is Perplexity or Microsoft 365 Copilot cheaper?

Perplexity has a free tier, so it's cheaper to start. Microsoft 365 Copilot begins at $30/mo.

Q. Can I use Perplexity and Microsoft 365 Copilot together?

Yes — many teams use more than one AI tool, picking Perplexity for some tasks and Microsoft 365 Copilot for others where it's stronger.