Otter.ai vs Fireflies.ai: Best AI Meeting Assistant?
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The average professional spends 15 hours per week in meetings, and studies show that 70% of meeting action items are forgotten within 24 hours. AI meeting assistants solve both problems by recording, transcribing, and summarizing meetings automatically. But not all meeting AI is created equal. Otter.ai and Fireflies.ai are the two market leaders, each with distinct strengths. We ran both side-by-side for 30 days across team meetings, client calls, and one-on-ones to give you a definitive comparison. For a broader look including Calendly in the mix, see our AI meeting tools guide.
- Test period: 30 days, 60+ meetings across Google Meet, Zoom, and Microsoft Teams
- Meeting types: Team standups, client calls, sales demos, 1:1s, and all-hands
- Evaluation criteria: Transcription accuracy, summary quality, integrations, and pricing
- Both platforms used on their Business/Pro tier plans for a fair comparison
Transcription Accuracy: Otter.ai Takes a Slight Lead
Both tools are accurate, but the differences emerge in edge cases.
Otter.ai achieved 94% transcription accuracy across our test meetings, compared to Fireflies.ai at 91%. The gap widens with multiple speakers, accents, and technical terminology. Otter.ai's speaker identification is noticeably better — it correctly attributed speakers 88% of the time versus Fireflies.ai's 79%. Both tools allow you to create custom vocabulary for industry-specific terms, which significantly improves accuracy when configured. For standard English with 2-3 speakers, both tools are excellent. For larger meetings or diverse accents, Otter.ai has the edge.
- Otter.ai accuracy: 94% overall, 88% speaker identification, excellent with custom vocabulary
- Fireflies.ai accuracy: 91% overall, 79% speaker identification, good with custom vocabulary
- Both tools struggle with overlapping speech — accuracy drops 15-20% in heated discussions
- Custom vocabulary training improves both platforms by approximately 5% for technical content
AI Summaries and Action Items: Fireflies.ai Wins
While Otter.ai has better raw transcription, Fireflies.ai produces superior meeting summaries and action item extraction. Fireflies.ai organizes summaries into categories — overview, action items, decisions, and questions — making it easy to scan a 60-minute meeting in 30 seconds. Its action item detection correctly identified tasks, assignees, and deadlines 82% of the time, compared to Otter.ai's 68%. For teams that care more about outcomes than transcripts, Fireflies.ai delivers more actionable intelligence.
- Fireflies.ai summary structure: Overview, key topics, action items, decisions, questions raised
- Otter.ai summary structure: Paragraph-style summary with highlighted key points
- Action item accuracy: Fireflies.ai 82% correct vs Otter.ai 68% correct
- Decision tracking: Fireflies.ai explicitly identifies and logs decisions made during meetings
Integrations and Workflow Automation
Fireflies.ai has a clear advantage in integrations. It natively connects to Salesforce, HubSpot, Slack, Notion, Asana, and 40+ other tools. Meeting summaries can automatically flow into your CRM, project management tool, and team chat without any manual intervention. Otter.ai's integration library is smaller but covers the essentials — Slack, Zoom, and Google Meet. If your workflow depends on getting meeting data into downstream tools automatically, Fireflies.ai is the better choice. Consider also wiring these into a bigger pipeline with Zapier or Make. If you primarily need accurate transcripts for reference, Otter.ai is sufficient.
- Fireflies.ai: 40+ native integrations including CRM, PM tools, and communication platforms
- Otter.ai: 10+ integrations focused on calendar, video conferencing, and team chat
- Zapier support: Both tools connect to 6,000+ apps via Zapier for custom automation
- API access: Both offer APIs on Business/Enterprise tiers for custom integration development
Pricing Comparison: Fireflies Offers More Value
Otter.ai's Pro plan costs $16.99/user/month with 6,000 minutes of transcription and AI summaries. Fireflies.ai's Pro plan costs $18/user/month with unlimited transcription, AI summaries, and CRM integrations. The $1/month difference is negligible, but Fireflies.ai's unlimited transcription and broader integration set provide more value at a similar price point. Both offer free tiers — Otter.ai gives 300 minutes/month and Fireflies.ai gives 800 minutes/month of transcription at no cost.
- Otter.ai Pro: $16.99/user/month — 6,000 min transcription, AI summaries, custom vocabulary
- Fireflies.ai Pro: $18/user/month — unlimited transcription, AI summaries, CRM integrations
- Free tiers: Otter.ai 300 min/month vs Fireflies.ai 800 min/month
- Enterprise: Both offer custom pricing with SSO, admin controls, and priority support
Which AI Meeting Assistant Should You Choose?
For teams that need the most accurate raw transcription and work primarily in English with small meetings, Otter.ai is the better choice. For teams that need actionable meeting intelligence — structured summaries, automatic CRM updates, and workflow integration — Fireflies.ai delivers significantly more value. Most business teams will find Fireflies.ai the better investment because the downstream automation saves more time than marginally better transcription accuracy.
- Choose Otter.ai if: You prioritize transcript accuracy, work in small meetings, and need a reliable recording archive.
- Choose Fireflies.ai if: You want automated workflows, CRM integration, and structured summaries with action items.
- Test both: Use the free tiers for two weeks of real meetings before committing to a paid plan.
- Integration matters: If you use Salesforce or HubSpot, Fireflies.ai's native CRM sync is a major differentiator.
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