Comparison · AI Meeting Assistants

Otter.ai vs Fireflies.ai vs Fathom: which AI meeting assistant is right for you?

We tested all three on real calls. Here is how they stack up on transcription accuracy, AI summaries, integrations, and price, and exactly who each one is built for.

Otter.ai
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Fireflies.ai
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Fathom

Quick verdict

Otter.ai is the better pick if you mainly need fast, accurate transcription and clean live notes for meetings, lectures, or interviews. Fireflies.ai wins for sales and revenue teams that want conversation intelligence and deep CRM workflows on top of the transcript. Fathom is the strongest free option for solo users and small teams who want quick, clean AI summaries without paying. All three transcribe well, so the choice comes down to budget, how much analysis you need, and whether you live in a CRM.

Otter.ai is best for individuals, students, and teams who want simple, accurate notes fast.
Fireflies.ai is best for sales and CS teams that live in their CRM and want deal insights.
Fathom is best for solo users and small teams who want a genuinely free, fast notetaker.
How we compared them
We ran all three tools on the same set of real sales calls, internal meetings, and a recorded webinar, then scored them on transcription accuracy, summary quality, search, integrations, ease of use, and value. Pricing was checked on each vendor's site in June 2026. We are not affiliated with any of them.

Otter.ai vs Fireflies.ai vs Fathom at a glance

Otter.aiFireflies.aiFathom
Best forFast, accurate meeting & lecture notesSales & CS teams needing CRM insightsFree, fast notes for solo users & small teams
Standout strengthLive transcription & clean summariesConversation intelligence & integrationsGenerous free plan & fast AI summaries
Starting priceFree; Pro ~$8.33/user/moFree; Pro ~$10/user/moFree; Premium ~$16/user/mo
Free tier300 transcription min/moUnlimited transcription, 400 mins storage/teamUnlimited recording, transcription & summaries
Key integrationsZoom, Meet, Teams, Slack50+ incl. Salesforce, HubSpot, Slack, ZapierZoom, Meet, Teams, Slack, HubSpot
Ease of useVery simple, minimal setupSimple, more features to learnVery simple, fast setup
Our rating4.4 / 54.4 / 54.6 / 5

What is Otter.ai, Fireflies.ai, and Fathom?

Otter.ai

Otter.ai is an AI transcription and notetaking app that records meetings, lectures, and interviews and turns them into searchable, summarized notes in real time. Its AI Chat lets you ask questions about any conversation.

Fireflies.ai

Fireflies.ai is an AI meeting assistant that records and transcribes calls, then layers on conversation intelligence: topic tracking, sentiment, talk-time, and CRM sync. Its "AskFred" AI summarizes and answers across meetings.

Fathom

Fathom is an AI meeting assistant built around a generous free plan. It records, transcribes, and summarizes calls fast, with one-click highlights and shareable clips, making it a favorite for solo users and small teams who want clean notes without a subscription.

Feature-by-feature comparison

Here is how the three stack up on the things that decide most buying calls. The winner in each row is shown in purple.

Otter.aiFireflies.aiFathom
Transcription & accuracyEdges ahead on clean, single-speaker audio and live captioningHolds up well on multi-speaker calls and noisier audioAccurate, with very fast turnaround after the call
AI summaries & searchConcise summaries; AI Chat is great for quick recallTopic trackers, auto action items, and AskFred across your whole historyClean, structured summaries and one-click highlight clips
Integrations & workflowsCovers the essentials: Zoom, Meet, Teams, Slack50+ tools incl. Salesforce, HubSpot, Zapier, with auto CRM loggingZoom, Meet, Teams, Slack, plus CRM sync on paid plans
Ease of use & setupFast to adopt: sign in, connect your calendar, doneSimple too, but more settings and features to learnThe most hands-off: auto-joins calls and summarizes with no fuss
Value on free planCapped at 300 minutes a monthUnlimited transcription, limited storageUnlimited recording, transcription, and summaries

Pricing & value

All three offer a free plan and per-seat paid tiers. Otter is the cheapest paid entry; Fireflies bundles conversation intelligence into its plans; Fathom has the most generous free tier and charges only for premium AI and team features.

PlanOtter.aiFireflies.aiFathom
Free300 min/mo, 30 min/conversationUnlimited transcription, 400 mins storage/teamUnlimited recording, transcription & summaries
Pro / Mid~$8.33/user/mo (annual)~$10/user/mo (annual)~$16/user/mo (Premium, annual)
Business / Team~$20/user/mo (annual)~$19/user/mo (annual)~$15/user/mo (Team, annual)
Value verdictBest for budget & simple notesBest value if you need CI + CRMBest free plan for solo & small teams

Pros & cons

Otter.ai

Excellent live transcription and captions

Simple, fast to learn

Cheaper entry plan

Fewer integrations and no deep CRM sync

Lighter on sales/CI analytics

Fireflies.ai

Strong conversation intelligence

50+ integrations incl. Salesforce/HubSpot

Generous free transcription

More features mean a steeper setup

Advanced insights need higher tiers

Fathom

Genuinely free unlimited recording & summaries

Very fast, clean AI notes

Almost no setup; auto-joins calls

CRM sync and team features need a paid plan

Lighter analytics than Fireflies

Which should you choose?

Choose Otter.ai if…

  • You mainly need accurate notes for meetings, lectures, or interviews.
  • You want the simplest tool with the least setup.
  • Budget matters and you do not need CRM automation.

Choose Fireflies.ai if…

  • You run a sales or CS team that lives in a CRM.
  • You want topic tracking, talk-time, and deal insights.
  • You need to connect notes to many other tools.

Choose Fathom if…

  • You want a genuinely free, no-fuss notetaker.
  • You are a solo user or a small team.
  • You value speed and clean summaries over deep analytics.

Can you mix and match?

You can, but it is rarely worth it. Some people start on Fathom's free plan for personal notes and move to Otter or Fireflies when they need live captions or CRM automation. For most teams, picking the one that matches your primary workflow beats juggling three.

If neither fits, also consider

Avoma Full meeting-lifecycle + revenue intelligence. See our guide →
tl;dv Strong free tier and clip-sharing for product teams. See our guide →
Fellow Meeting agendas, notes, and action items for managers. See our guide →

Frequently asked questions

Which is the best AI meeting assistant: Otter, Fireflies, or Fathom?
There is no single best one; it depends on your use case. Otter.ai is best for fast, accurate personal notes and live captions, Fireflies.ai is best for sales and CS teams that need conversation intelligence and CRM sync, and Fathom is best for solo users and small teams who want a genuinely free, fast notetaker.
Is Fathom really free?
Yes. Fathom's free plan includes unlimited recording, transcription, and AI summaries for individuals. Paid Premium and Team plans add advanced AI features, CRM sync, and team collaboration.
Which is more accurate at transcription?
All three are accurate. In our testing Otter.ai had a slight edge on clean, single-speaker audio and live captioning, Fireflies held up well on multi-speaker and noisier calls, and Fathom delivered accurate transcripts with very fast turnaround after the call.
Do they integrate with Zoom, Google Meet, and Teams?
Yes, all three connect to Zoom, Google Meet, and Microsoft Teams. Fireflies additionally connects to 50+ tools including Salesforce, HubSpot, and Zapier, while Otter and Fathom add CRM sync on their paid plans.
Which has the best free plan?
Fathom has the most generous free plan, with unlimited recording, transcription, and summaries for individuals. Fireflies offers unlimited transcription with limited storage, and Otter caps its free plan at 300 minutes a month.

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