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Fathom vs Otter vs Fireflies: Best AI Note Taker?

Three tools dominate the AI note-taker market in 2026: Fathom, Otter.ai, and Fireflies.ai. We tested all three across real meetings to deliver a clear, data-backed verdict on transcription accuracy, pricing, CRM integrations, and workflow fit.

February 4, 2026
10 min read
AIUnpacker
Verified Content
Editorial Team
Updated: April 3, 2026

Fathom vs Otter vs Fireflies: Best AI Note Taker?

February 4, 2026 10 min read
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Fathom is the best free AI note taker in 2026. Fireflies wins for CRM-heavy sales teams. Otter leads on real-time collaborative transcription. If you run sales calls that must sync to HubSpot or Salesforce, pick Fireflies. If you want unlimited recordings without paying a cent, pick Fathom. If your team needs to view and annotate notes live during a meeting, pick Otter. That is the answer the rest of this article explains the data behind it.


The AI Note Taker Landscape in 2026

The AI note-taking market is projected to grow from roughly $11 billion in 2026 to $13.3 billion in 2026, at a 20.6% CAGR. Three tools dominate: Fathom (G2 5.0/5, 6,500+ reviews, acquired by QuestionPro April 2026), Otter.ai (relaunched April 2026 as a “Conversational Knowledge Engine”), and Fireflies.ai ($1 billion valuation, Perplexity partnership).

All three record, transcribe, and summarize meetings across Zoom, Google Meet, and Microsoft Teams. But 2026 has widened the gap between them in ways that matter for actual workflows.

“A 98% accurate transcript of a meeting where everyone held back is worth less than 85% accurate notes from the meeting that really happened.” That tradeoff sits at the center of every bot-based vs. bot-free AI notetaker debate.


Feature Comparison Table

CategoryFathomOtter.aiFireflies.ai
Free PlanUnlimited recordings, unlimited transcription, 5 AI summaries/month300 min/month, 30 min/conversation cap, 3 lifetime importsUnlimited transcription, 800 min storage, limited AI summaries
Paid Plans (annual)Premium $16/mo, Team $19/user/mo, Business $25/user/moPro $8.33/user/mo, Business $20/user/mo, Enterprise customPro $10/user/mo, Business $19/user/mo, Enterprise $39/user/mo
G2 Rating (2026)5.0/5 (6,500+ reviews)4.4/5 (~485 reviews)4.7/5 (~746 reviews)
Languages28�38~6 (English, Spanish, French, German, Japanese, Chinese)100+
Transcription Accuracy85�95% optimal; degrades with multi-speaker85�90% optimal; degrades with accents and crosstalk90�95% optimal; reported more robust across accents
Summary Speed~30 seconds post-meetingReal-time during callMinutes after meeting
CRM IntegrationNative HubSpot and Salesforce (Business plan, $25/user/mo)Limited; requires Zapier for most CRMs70+ integrations; native Salesforce, HubSpot, Zoho, Pipedrive, and more
Bot-Free OptionBeta (April 2026), meeting-by-meetingDesktop app bot-free modeChrome extension option
Team CollaborationShared workspaces, admin controls (Team plan)Real-time collaborative notes, comments, highlightsSmart Search, Topic Trackers, analytics dashboards
Unique FeatureDeal View CRM field sync from meeting contentConversational Knowledge Engine with MCP support (April 2026)Voice Agents, AskFred AI assistant powered by Perplexity
ComplianceSOC 2 Type II, GDPR, HIPAASOC 2 Type II, GDPRSOC 2 Type II, GDPR, HIPAA
Privacy HeadwindsNo major lawsuitsClass action lawsuit (Aug 2026) alleging recording without consentBIPA biometric privacy lawsuit (Dec 2026)
Best ForIndividual contributors, small teams, anyone wanting unlimited free recordingTeams needing live collaborative transcription and shared workspacesSales organizations needing CRM automation and conversation intelligence
Free Plan VerdictBest free plan in the categoryMost restrictive free plan of the threeMiddle ground generous transcription, limited storage

Deep Dive: What Each Tool Actually Delivers

1. Fathom The Free Tier Champion

Fathom dominates one category absolutely: free value. No other mainstream AI note taker offers unlimited recording and transcription at zero cost. The free plan includes unlimited meetings, search across past recordings, and 5 advanced AI summaries per month. That covers casual users indefinitely.

The catch arrives at the 5-summary cap. After your fifth meeting of the month, Fathom stops generating structured AI notes with action items. You still get the transcript, but premium intelligence task extraction, follow-up email drafts, CRM field suggestions requires a paid plan.

Fathom’s summaries appear within 30 seconds of a call ending, prioritizing decisions and action items over exhaustive detail. This serves sales and customer calls well, where the next step matters more than a verbatim record.

2026 developments: Bot-free capture entered beta in April 2026. Fathom was acquired by QuestionPro in the same month, raising questions about future direction. LLM integrations with ChatGPT and Claude were added, along with a Deal View feature that syncs meeting insights to HubSpot and Salesforce fields.

Fathom’s weakness: Limited language support (28�38 languages) vs. Fireflies (100+). CRM sync and team admin controls require the $19/user/month Team plan or $25/user/month Business plan. The five-summary free cap surprises users expecting unlimited AI intelligence, not just unlimited storage.

2. Otter.ai The Live Collaboration Specialist

Otter invented the AI meeting notetaker category and still leads on real-time collaborative transcription. During a call, multiple participants can view the live transcript, add comments, and annotate together uniquely useful for workshops and internal team meetings where shared visibility matters.

Otter’s April 2026 pivot to a “Conversational Knowledge Engine” adds MCP (Model Context Protocol) support, connecting meeting intelligence to AI applications, plus integrations with Gmail and Google Drive. The vision: turn meeting data into an enterprise knowledge base, not just a note archive.

2026 developments: Relaunched as Conversational Knowledge Engine with MCP server (April 2026). Added custom meeting type templates and a desktop app bot-free mode. Enterprise contracts average $15,000�$35,000/year.

Otter’s weaknesses:

  • Worst free plan in class. 300 monthly minutes with a 30-minute per-conversation cap. Three lifetime file imports.
  • Only 6 languages unusable for global teams
  • Accuracy degrades with multiple speakers, heavy accents, or background noise. Multiple 2026 reviewers report 85�90% under ideal conditions, dropping sharply in group calls.
  • Bot-only by default. The OtterPilot bot announces itself on every call.
  • Active class action lawsuit (filed August 2026) alleging unauthorized recording and biometric data collection

3. Fireflies.ai The CRM and Conversation Intelligence Powerhouse

Fireflies is a conversation intelligence platform disguised as a meeting assistant. Key differentiators:

  • AskFred: Natural language Q&A across your entire meeting history, powered by a Perplexity partnership. Pulls context from past meetings, live calls, and the web simultaneously.
  • Voice Agents: AI agents that attend and run meetings on your behalf
  • Topic Trackers: Keyword monitoring that surfaces recurring themes across calls
  • Conversation analytics: Talk-time ratios, sentiment analysis, and coaching scorecards
  • 70+ native integrations: Broadest CRM coverage (Salesforce, HubSpot, Zoho, Pipedrive), plus Slack, Notion, Asana, Jira, and Monday.com

Fireflies earned a $1 billion valuation in 2026. For sales organizations where CRM data is the deliverable not the transcript it is the strongest fit.

2026 developments: Knowledge Base feature for context-aware live suggestions. Perplexity-powered AskFred now includes real-time web search within meetings. Voice Agents expanded for automated recurring calls.

Fireflies’ weaknesses:

  • Premium pricing for individuals. The Pro plan ($10/user/month annual) charges for features Fathom gives free. The Free plan’s 800-minute storage cap fills quickly.
  • Bot-based by default. “Fred from Fireflies” appears in every meeting.
  • G2 negative tags: AI inaccuracy (39 mentions), perceived expense (26), poor summarization (21)
  • BIPA biometric privacy lawsuit (December 2026) alleging voiceprint collection without consent
  • Action items can be unreliable multiple reviewers report misidentified task owners

Pricing At a Glance

  1. Fathom Free $0. Unlimited recording, 5 AI summaries/month.
  2. Fathom Team $19/user/month (annual, 2-user min). Unlimited AI summaries, admin controls.
  3. Fathom Business $25/user/month (annual). Deal View, CRM field sync, coaching analytics.
  4. Otter Pro $8.33/user/month (annual). 1,200 min/month, 90-min cap.
  5. Otter Business $20/user/month (annual). Unlimited meetings, custom workflows.
  6. Fireflies Pro $10/user/month (annual). Unlimited transcription, limited summaries.
  7. Fireflies Business $19/user/month (annual). Unlimited AI summaries, video, CRM, intelligence.
  8. Fireflies Enterprise $39/user/month. Private storage, SSO, custom retention.

For a 10-person team on annual billing, all three land near $1,900�$2,000/year. Pricing converges at the team level, making feature fit the real differentiator.


How to Choose (Decision Framework)

Pick Fathom if:

  • You are an individual contributor or freelancer who wants zero cost
  • You run primarily two-person calls (sales, customer success, interviews)
  • You want the fastest post-meeting summary turnaround (<30 seconds)
  • You can live with 5 AI summaries/month on the free tier
  • You do not need broad multilingual support

Pick Otter if:

  • Your team needs live, collaborative note-taking during meetings
  • You run primarily internal team meetings where bot presence is acceptable
  • You want real-time captions visible during the call
  • Most of your meetings are under 90 minutes (at least on Pro plan)
  • You operate primarily in English

Pick Fireflies if:

  • CRM automation is the deliverable, not the transcript
  • Your team operates across 100+ languages or in multilingual environments
  • You need cross-meeting search and conversation analytics at scale
  • Your sales organization requires coaching scorecards and talk-time analytics
  • You are willing to pay per seat for enterprise-grade conversation intelligence

The Testing Method We Recommend

Do not commit to any tool based on a comparison table. Run five meetings through each platform: a two-person external call, a noisy group meeting, a technical discussion with jargon, a sales follow-up that must feed your CRM, and an uploaded recording. Evaluate transcript accuracy, speaker labeling, summary actionability, CRM data quality, and editing time. The tool your team trusts is the one they will use consistently.


FAQ

Can I switch platforms if my needs change? All three platforms support data export. Transcripts transfer between platforms with some manual effort. Testing free tiers before committing minimizes switching costs.

Which platform handles privacy best? All three hold SOC 2 Type II certification. Fathom and Fireflies have HIPAA compliance; Otter does not. Otter and Fireflies both face active lawsuits related to recording consent and biometric data collection, which should factor into procurement decisions for regulated industries.

Do these work for in-person meetings? Yes, via device microphones. Otter’s mobile app offers the best in-person capture.

Which has the best free plan? Fathom, without qualification. Unlimited recordings and transcription with no time limits. Otter’s free plan is the most restrictive (300 minutes/month, 30-minute cap). Fireflies sits in the middle (unlimited transcription, 800-minute storage limit).

Which platform offers the best mobile experience? Otter leads on mobile with dedicated iOS and Android apps supporting real-time transcription. Fathom and Fireflies offer functional mobile apps but remain desktop-first.

What about meeting recording laws? Recording laws vary by jurisdiction. All three platforms recommend obtaining consent. The active lawsuits against Otter (August 2026) and Fireflies (December 2026) underscore the legal risk of AI notetakers that record without explicit consent from all participants.


Bottom Line

Fathom, Otter, and Fireflies are all credible AI note takers with distinct 2026 identities. Fathom wins on free-tier generosity and summary speed. Otter wins on real-time collaborative transcription. Fireflies wins on CRM depth, multilingual breadth, and conversation intelligence.

The meaningful decision is not about transcription accuracy all three achieve 85�95% word-level accuracy under clean conditions. The decision is about what happens after the transcript: does the output go to your CRM, to a shared team workspace, or to your personal archive?

Pick the tool that moves meeting outcomes into the system your team already uses. A perfect transcript that lives in a standalone app is a graveyard. A good summary that lands in Salesforce, Slack, or Notion the moment the call ends changes how teams work.


Sources

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