Otter.ai vs Fireflies.ai: which free AI agent wins?
Otter.ai and Fireflies.ai are two of the most compared tools in the meeting notes category, and for good reason — both ship real free tiers and both are good enough that the winner depends on your specific workflow. This comparison breaks down where each one wins, where the other wins, and how to pick if you only have time to try one. Both tools ship durable free tiers and pricing pages without a "contact us" button. The differences show up once you push past casual use. Otter.ai leans toward polished, mature product — one of the first ai meeting tools and it shows. Fireflies.ai leans toward unlimited transcription on free tier — rare among competitors. Either is a valid default for most users in this category; the comparison table and winner-by-use-case below are for the cases where the difference actually matters. If you can only pilot one, pick the tool whose strength maps to the task you spend the most time on. Skim-comparing two tools wastes hours you could spend shipping. Use this page to form a shortlist, then open both tools and try the same real task on each — that's the only way to tell which one fits your workflow better. Full reviews for each are linked above, and both vendor sites let you sign up without a card.
Verdict
Pick Otter.ai for polished, mature product — one of the first ai meeting tools and it shows; pick Fireflies.ai for unlimited transcription on free tier — rare among competitors. Both have usable free tiers so a side-by-side pilot is faster than any amount of research.
Who wins for what
| Use case | Winner |
|---|---|
| first-time user, lowest friction | Otter.ai |
| heavy power-user workflow | Fireflies.ai |
| team or collaborative use | Otter.ai |
| budget-constrained solo user | Fireflies.ai |
Side-by-side
| Dimension | Otter.ai | Fireflies.ai |
|---|---|---|
| Free tier | 300 min/mo, 30 min/meeting | Unlimited transcription, 800 min storage |
| Cheapest paid plan | $8.33/mo | $10/mo |
| Primary strength | Polished, mature product — one of the first AI meeting tools and it shows | Unlimited transcription on free tier — rare among competitors |
| Main drawback | Per-meeting 30-min cap on free is tight for hour-long calls | Storage is 800 min on free (enough for ~2 weeks of calls) |
| Homepage | https://otter.ai | https://fireflies.ai |
| Best for | Meeting transcription with a free tier of 300 minutes/month and AI chat across your meeting history. | Record, transcribe, and summarize meetings with a free forever tier and CRM-grade integrations. |