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Otter.ai vs Slack

A side-by-side look at Otter.ai and Slack: what each costs to start, whether there is a free plan, how easy they are to pick up, and which features and integrations they cover.

Which should you choose?

Choose Otter.ai if

  • Individuals who want automatic notes for back-to-back video calls
  • Students and journalists recording lectures and interviews
  • Sales and customer teams that need call summaries in the CRM

Choose Slack if

  • Technology and product teams that live in chat and connect many tools
  • Companies collaborating with agencies or clients through Slack Connect
  • Organizations that want a mature admin, security and compliance toolset

Cheapest to start

Not confirmed

Free plan

Otter.ai, Slack

Highest editor rating

Slack · 4.6

Comparison of Otter.ai and Slack
CompareOtter.ai
Free planYes
Free trialNo
Starting priceFrom $16.99/mo
Editor rating4.0
Ease of useVery easy (5/5)
CategoryWriting
Pricing modelFree Basic plan with 300 minutes per month; Pro is $16.99 per month (approximately $8.33 per month billed annually), Business $30 per user per month ($20 annually) and Enterprise custom.
Plans
  • Basic Free
  • Pro $16.99/mo
  • Business $30/user/mo
  • Enterprise Custom
PlatformsWeb, iOS, Android, Browser extension
IntegrationsGoogle Meet, Google Workspace, HubSpot, Microsoft 365, Microsoft Teams, Salesforce, Slack, Zapier, Zoom
Best for
  • Individuals who want automatic notes for back-to-back video calls
  • Students and journalists recording lectures and interviews
  • Sales and customer teams that need call summaries in the CRM
Pros
  • Auto-joins Zoom, Google Meet and Teams from the calendar and records without the host
  • Live transcript with speaker identification and post-meeting summaries
  • Usable free tier for light use
  • Mobile apps for recording in-person conversations
  • Salesforce and HubSpot integrations for sales teams
Cons
  • Transcription supports only English, Spanish and French
  • Free plan caps conversations at 30 minutes and 300 minutes per month
  • Accuracy drops with accents, technical vocabulary and overlapping speech
  • OtterPilot can join meetings uninvited unless auto-join settings are managed
AI agentsYes
AI assistantYes
API accessNo
Audit logsNo
Browser extensionYes
Channels & threadsNo
Comments & mentionsYes
Guest & client accessNo
Import & exportYes
Meeting recording & transcriptsYes
Mobile appYes
Multi-language supportYes
Real-time collaborationYes
Roles & permissionsYes
Screen sharingNo
SSO / SAMLYes
TranscriptionYes
Two-factor authenticationNo
Video callsNo
WebhooksNo
Workflow automationNo

Common questions

Does Otter.ai or Slack have a free plan?
Both do. Otter.ai and Slack each offer a free tier, so you can try either without paying.
How long is the Otter.ai and Slack free trial?
Slack offers a 30-day free trial. Otter.ai does not offer one.

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