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Fathom vs Microsoft 365 Copilot

Side-by-side comparison · AI Office Productivity

At a glance

DimensionFathomMicrosoft 365 Copilot
PricingFree tier with unlimited recording and summaries; paid plans are billed per user per month in the low tens of dollars - verify current pricing on the official pageNo free tier; sold as a per-user monthly add-on to qualifying Microsoft 365 plans - verify current pricing on the official page
Free planYesPaid
Rating★★★★☆★★★★★
Best formeeting notes, sales call summaries, interview transcripts and team knowledge capturemeeting summaries, document drafting, spreadsheet analysis, enterprise email triage
CategoryAI Office ProductivityAI Office Productivity

Fathom - strengths & limits

Strengths

  • Free tier covers unlimited recording and summaries for individuals
  • Summaries are structured and readable rather than raw transcripts
  • Live highlighting steers the summary toward what actually mattered

Watch out for

  • The bot appears in the participant list and should be disclosed
  • Team features, CRM sync and shared libraries need paid seats
  • Accuracy drops with heavy accents, crosstalk and poor audio

Microsoft 365 Copilot - strengths & limits

Strengths

  • Works inside the apps people already use every day
  • Uses organisational context other assistants cannot see
  • Admin controls and compliance inherit from Microsoft 365

Watch out for

  • Requires a paid add-on on top of an existing subscription
  • Quality depends on how well your tenant is organised
  • Answers on messy or duplicated data are uneven

Which should you choose?

If your priority is meeting notes, sales call summaries, interview transcripts and team knowledge capture, Fathom is the stronger pick. If instead you care more about meeting summaries, document drafting, spreadsheet analysis, enterprise email triage, go with Microsoft 365 Copilot. For most people, trying both on a free tier is the fastest way to decide - they serve the same AI Office Productivity space but differ in workflow and output style.

FAQ

Which is better, Fathom or Microsoft 365 Copilot?

It depends on your task. Fathom leads on meeting notes, sales call summaries, interview transcripts and team knowledge capture; Microsoft 365 Copilot is better when you need meeting summaries, document drafting, spreadsheet analysis, enterprise email triage. Try both free tiers.

Can I use Fathom and Microsoft 365 Copilot together?

Yes - many users keep one as the daily driver and the other for specific tasks where it is stronger.