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Microsoft 365 Copilot vs Otter.ai: Complete Comparison 2026

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

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.

Otter.ai8.2

Otter.ai · Productivity

Otter.ai is an AI meeting assistant that joins calls to transcribe, summarise and capture action items in real time. Its OtterPilot can automatically attend Zoom, Meet and Teams meetings, generating searchable notes and highlights. Otter is widely used by teams who want accurate, automatic meeting records.

Key differences at a glance

  • •Microsoft 365 Copilot scores higher overall (8.3 vs 8.2).
  • •Otter.ai has a free tier; Microsoft 365 Copilot does not.
  • •Microsoft 365 Copilot leans on deep office integration.
  • •Otter.ai leans on accurate live transcription.

Side-by-side comparison

FeatureMicrosoft 365 CopilotMicrosoftOtter.aiOtter.ai
Quality score8.3 / 108.2 / 10
Starting price$30/mo$16.99/mo
Free tierNoYes — Free tier available
API input price——
API output price——
Speed—Fast
Context window——
CategoriesProductivity, WritingProductivity
Key features
  • Drafting in Word and Outlook
  • Excel analysis and formulas
  • PowerPoint generation
  • Teams meeting recaps
  • Real-time meeting transcription
  • Automatic meeting summaries
  • Action-item capture
  • Auto-join Zoom/Meet/Teams
Pros
  • + Deep Office integration
  • + Works on your real data
  • + Enterprise security
  • + Accurate live transcription
  • + Auto-joins your meetings
  • + Good free tier
Cons
  • − Premium per-seat price
  • − Requires M365 ecosystem
  • − Transcription stumbles on heavy accents
  • − Best features need paid plans

Microsoft 365 Copilot

Choose Microsoft 365 Copilot if you want deep office integration.

Otter.ai

Choose Otter.ai if you want accurate live transcription and a free tier to start.

Pricing comparison

Microsoft 365 Copilot
$30/mo
Otter.ai
$16.99/mo

The verdict

Overall, Microsoft 365 Copilot edges ahead with a quality score of 8.3 versus 8.2 for Otter.ai. Choose Microsoft 365 Copilot if you want deep office integration. That said, Otter.ai is the better pick when accurate live transcription matters most — so the right answer depends on your priorities and budget.

Try Microsoft 365 Copilot →Try Otter.ai →

Frequently asked questions

Q. Which is better, Microsoft 365 Copilot or Otter.ai?

On our scoring, Microsoft 365 Copilot edges ahead (8.3/10), but the right pick depends on your priorities and budget — see the breakdown above.

Q. Is Microsoft 365 Copilot or Otter.ai cheaper?

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

Q. Can I use Microsoft 365 Copilot and Otter.ai together?

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