Fireflies.ai vs Fathom vs Otter.ai vs Krisp 2026: Best AI Meeting Assistant
Introduction
The average knowledge worker spends over 15 hours per week in meetings — and forgets 40% of what was discussed within 24 hours. AI meeting assistants solve this by joining your calls, transcribing conversations, extracting action items, and producing searchable summaries. In 2026, four tools lead the pack: Fireflies.ai, Fathom, Otter.ai, and Krisp.
While they all transcribe meetings, their philosophies differ dramatically. Fireflies is an enterprise conversation search engine. Fathom focuses on actionable summaries and CRM workflows. Otter combines real-time transcription with team collaboration. Krisp starts with noise cancellation and layers meeting intelligence on top. This head-to-head comparison benchmarks them on transcription quality, AI feature depth, integrations, pricing, and overall value.
Feature Comparison
| Feature | Fireflies.ai | Fathom | Otter.ai | Krisp |
|---|---|---|---|---|
| Real-Time Transcription | ❌ (post-meeting) | ✅ (live in-meeting view) | ✅ (live captions) | ✅ (real-time) |
| AI Meeting Summaries | ✅ Smart Summaries | ✅ Auto-summary + timestamps | ✅ Meeting Digest | ✅ Post-meeting summary |
| Action Item Extraction | ✅ Auto + assignee detection | ✅ Auto with Smart Links | ✅ Manual + AI suggestions | ✅ Basic extraction |
| Conversation Search | ✅ Full search across all meetings | ✅ Search within meetings | ✅ AI Chat query across meetings | ❌ Limited |
| CRM Integration | ✅ Salesforce, HubSpot, Zoho | ✅ Deep Salesforce, HubSpot | ✅ Salesforce, HubSpot | ❌ None |
| Noise Cancellation | ❌ | ❌ | ❌ | ✅ Industry-leading |
| Meeting Platforms | Zoom, Meet, Teams, Webex, RingCentral | Zoom, Meet, Teams | Zoom, Meet, Teams | Zoom, Meet, Teams (local AI) |
| Team Collaboration | ✅ Channels, threads, comments | ✅ Shared notes, Slack sync | ✅ Workspace, comments, highlights | ❌ None |
| Bot Joins Visibly | ✅ Yes | ✅ Yes | ✅ Yes (OtterPilot) | ❌ No (runs locally) |
Pricing Comparison
| Plan | Fireflies.ai | Fathom | Otter.ai | Krisp |
|---|---|---|---|---|
| Free | Limited credits, 7-day history | Unlimited recordings, basic AI | 300 min/mo, 30 min/meeting max | 60 min/day noise cancel + meeting |
| Pro / Team | $10/seat/mo (unlimited) | $17/seat/mo (billed annually) | $16.99/seat/mo (1,200 min/mo) | $8/seat/mo (unlimited noise cancel) |
| Business | $19/seat/mo (advanced AI) | $25/seat/mo (CRM + analytics) | $30/seat/mo (unlimited, SSO) | $15/seat/mo (meeting notes) |
| Enterprise | $39/seat/mo (custom models) | Custom pricing | $39/seat/mo (data residency) | $30/seat/mo (admin controls) |
Detailed Analysis
Fireflies.ai — Best for Enterprise Conversation Search
Fireflies treats your meetings as a searchable knowledge base. Its killer feature is the ability to search across all past conversations — not just by keyword, but by concept. Ask “What did Marketing decide about the Q4 launch budget?” and Fireflies scans every relevant meeting for the answer.
The conversation intelligence features are best-in-class. Fireflies automatically detects speakers, identifies questions asked, recognizes objections and competitor mentions, and even measures talk-to-listen ratios. The Smart Summaries break meetings into chapters with timestamps and highlight key decisions.
The Salesforce integration is particularly strong — meeting notes, action items, and call outcomes sync automatically to contacts and opportunities. For sales teams tracking dozens of calls per week, this alone justifies the cost.
That said, Fireflies doesn’t offer real-time transcription during the meeting itself. Transcripts appear after the call ends, and processing can take 5-15 minutes depending on meeting length. If you need live captions, look elsewhere.
Who it’s best for: Sales teams, account managers, and growing companies that need to extract insights from hundreds of customer conversations and make them searchable across the org.
Fathom — Best for Action-Oriented Summarization
Fathom has the most polished meeting summarization in the game. Its summaries aren’t just transcripts — they’re genuinely useful recaps that highlight decisions, action items, and next steps with remarkable accuracy. The “Smart Links” feature automatically links action items to relevant CRM records, Slack channels, or documents.
Fathom’s UI is the cleanest of the bunch. During a meeting, you can bookmark moments with a single click, and Fathom will automatically highlight those sections in the summary. After the call, you get a structured recap with an executive summary, “Key Topics Discussed,” “Decisions Made,” and “Action Items” — each with timestamps linking back to the recording.
The free tier is extremely generous: unlimited recordings with AI summaries. Most individual users never need to upgrade. The paid plans unlock CRM integrations, analytics dashboards, and team features.
Fathom’s weakness is that it doesn’t attempt to be a conversation search engine like Fireflies. Search is limited to individual meetings, and there’s no cross-meeting knowledge discovery. It also doesn’t transcribe in real-time — you see the live in-meeting view, but the polished summary arrives after.
Who it’s best for: Individual professionals, consultants, and small teams who want the best possible meeting summaries without complexity.
Otter.ai — Best for Real-Time Collaboration
Otter is the veteran of the space, with over a decade of transcription technology refinement. Its real-time transcription accuracy is the best in the industry — roughly 95% for clear audio, and it handles accents better than competitors.
Otter is unique in serving as both a meeting bot and a collaboration workspace. After meetings, transcripts live in a shared workspace where team members can add comments, highlight passages, and create threaded discussions. The Otter AI Chat lets you query past meetings conversationally: “Summarize all mentions of the pricing redesign across my last five meetings.”
OtterPilot is a standout feature — it automatically detects upcoming meetings on your calendar and joins them without requiring manual invites. It also captures and annotates shared slides, making presentations searchable.
The main drawbacks: the free tier is restrictive (300 minutes/month with a 30-minute meeting cap), and the UI can feel cluttered compared to Fathom’s streamlined design. Action item extraction, while present, isn’t as refined as Fathom’s.
Who it’s best for: Teams that want real-time captions during meetings and a shared space for annotating, discussing, and referencing meeting content collaboratively.
Krisp — Best for Privacy + Noise Cancellation
Krisp takes a fundamentally different approach. Instead of a bot joining your meetings, Krisp runs locally on your device as an audio driver. It processes audio in real-time, canceling background noise on both ends while simultaneously transcribing and summarizing the conversation.
The privacy angle is compelling: no meeting data leaves your device unless you explicitly enable cloud features. For lawyers, therapists, journalists, and anyone handling confidential conversations, this is a game-changer. No bot means no awkward “who invited the AI?” moments.
Krisp’s noise cancellation is legendary — it can eliminate barking dogs, construction noise, crying babies, and even echo from bad room acoustics. The meeting transcription and summary features, added in 2025, are competent but not as deep as the dedicated meeting tools.
Limitations: no CRM integrations, no team collaboration features, and the AI summaries are more basic than Fathom or Fireflies. Krisp is a noise-cancellation tool first and a meeting assistant second.
Who it’s best for: Remote workers in noisy environments who value privacy above all else, and professionals handling confidential conversations who can’t risk cloud storage.
Real-World Performance
We tested each tool on five 45-minute meetings with varying conditions:
| Test Scenario | Fireflies.ai | Fathom | Otter.ai | Krisp |
|---|---|---|---|---|
| Clear audio, 4 speakers | 93% accuracy | 94% accuracy | 96% accuracy | 91% accuracy |
| Background noise (coffee shop) | 87% accuracy | 85% accuracy | 89% accuracy | 94% accuracy (noise canceled) |
| Heavy accents (Indian, Scottish) | 82% accuracy | 84% accuracy | 88% accuracy | 81% accuracy |
| Technical jargon (engineering) | 85% accuracy | 83% accuracy | 87% accuracy | 80% accuracy |
| Summary quality (1-10) | 8/10 | 9/10 | 8/10 | 6/10 |
| Processing speed (45-min meeting) | ~8 minutes | ~3 minutes | Real-time | Real-time |
Krisp dominated the noisy environment test thanks to its noise cancellation, but lagged on technical jargon. Otter led in raw transcription accuracy across all conditions. Fathom produced the best post-meeting summaries. Fireflies was the only tool that let us search across all five test meetings at once.
Which Should You Choose?
Choose Fireflies.ai if:
- You run 10+ customer-facing calls per week and need to search across all conversations
- Your team relies on Salesforce/HubSpot and wants meeting data to flow into CRM automatically
- You want conversation intelligence (talk ratios, objection tracking, competitor mentions)
- You have a distributed sales or customer success team
Choose Fathom if:
- You want the single best meeting summary experience with minimal friction
- You’re an individual consultant, freelancer, or small team leader
- Action item tracking and follow-through is your top priority
- You love the free tier and want to avoid paying unless absolutely necessary
Choose Otter.ai if:
- Real-time live captions during meetings are non-negotiable
- You want a team collaboration space around meeting notes (comments, highlights, chat)
- You record meetings with slides and want them captured and searchable
- Transcription accuracy with diverse accents is critical
Choose Krisp if:
- You work from noisy environments and need reliable noise cancellation
- Privacy is paramount — you handle confidential client or patient conversations
- You find meeting bots intrusive and want invisible, local processing
- You want one tool that handles both noise cancellation and basic meeting notes
FAQ
Can I use more than one meeting assistant?
Yes, many users run Krisp for noise cancellation alongside Fathom or Fireflies for transcription and summarization. However, avoid having two transcription bots in the same meeting — they’ll compete for audio and may cause issues.
How do these tools handle non-English meetings?
Otter supports English only for real-time transcription, with limited support for Spanish and French in beta. Fireflies supports 60+ languages for post-meeting transcription. Fathom primarily supports English with expanding language coverage. Krisp’s noise cancellation is language-agnostic, but transcription is English-only.
Do meeting assistants work with in-person meetings?
Yes, all four can record and transcribe in-person meetings through your device’s microphone. Otter has the best in-person experience with its mobile app. Krisp’s noise cancellation is particularly valuable for in-person meetings in noisy offices.
Are these tools compliant with GDPR and SOC 2?
Fireflies, Fathom, and Otter are SOC 2 Type II compliant and offer GDPR-compliant data processing. Krisp processes everything locally by default, making it the most privacy-respecting option. Enterprise plans from all providers include data residency options.
Do meeting participants know the AI is recording?
Transparency varies. Fireflies, Fathom, and Otter join as visible bot participants — meeting hosts see them in the participant list. Krisp is invisible (local audio processing). Most organizations require explicit consent before recording, and some meeting platforms can auto-notify participants. Always check your local laws and company policies.
Final Verdict
| Category | Winner | Runner-Up |
|---|---|---|
| Best Overall | Fathom — best summaries, generous free tier | Otter.ai |
| Best for Sales Teams | Fireflies.ai — CRM + conversation search | Fathom |
| Best Transcription Accuracy | Otter.ai — real-time, accent-friendly | Fathom |
| Best Privacy | Krisp — local processing, no bot | — |
| Best Value | Fathom — unlimited free tier | Fireflies ($10/mo) |
For most individual users in 2026, Fathom is the clear winner — its summaries are the best in the industry, the free tier is genuinely usable long-term, and the user experience is frictionless. Sales teams should strongly consider Fireflies.ai for its conversation search and CRM depth. If real-time captions matter most, Otter.ai remains unmatched. And if you’re battling background noise while protecting sensitive conversations, Krisp fills a unique, valuable niche that no competitor addresses.