Otter.ai
Slack
| Feature | ||
|---|---|---|
| Pricing | Free / from $16.99/mo | Free / from $7.25/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | remote-teams, managers, sales-teams, journalists, students | teams, enterprise, remote-workers, developers |
| Founded | 2016 | 2013 |
| Live Transcription | ✓ | ✗ |
| Meeting Summary | ✓ | ✗ |
| Action Items | ✓ | ✗ |
| Speaker Id | ✓ | ✗ |
| Zoom Integration | ✓ | ✗ |
| Search | ✓ | ✓ |
| Highlights | ✓ | ✗ |
| Channels | ✗ | ✓ |
| Huddles | ✗ | ✓ |
| Workflows | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| File Sharing | ✗ | ✓ |
✓ Otter.ai Pros
- Real-time transcription during meetings
- Joins Zoom/Teams/Meet automatically
- AI-generated action items and summaries
- Searchable transcript archive
✗ Otter.ai Cons
- Accuracy drops with accents or crosstalk
- Free tier limited to 300 minutes/month
- Occasional missed speaker attribution
✓ Slack Pros
- Excellent integrations
- Channels system
- Huddles
- Searchable history
✗ Slack Cons
- Message limit on free plan
- Notification overload
- Can be distracting
The Verdict
Otter.ai is built for remote teams and managers, with a focus on live-transcription and meeting-summary. Slack targets teams and enterprise and leads with channels and huddles.
On pricing, Slack is the clear winner for budget-conscious users — starting at $7.25/mo compared to $16.99/mo for Otter.ai. That $9.739999999999998/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Otter.ai offers broader built-in capabilities (7 features vs 6), while Slack takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.