Slack vs Microsoft Teams 2026: Complete Comparison
The two giants of workplace communication. Both excellent — but they serve different ecosystems.
Key Takeaways
- Slack: Better UX, superior integrations, indie-friendly
- Teams: Microsoft ecosystem, video meetings, included with 365
- Choose Slack for startups, tech teams, heavy integrations
- Choose Teams for Microsoft-heavy orgs, video-first teams
Quick Comparison
| Feature | Slack | Teams |
|---|---|---|
| Starting Price | $0 (limited) | $0 (limited) |
| Paid | $8.75/user/month | $4/user/month |
| Free Plan | 90 days history | Full but limited |
| Video | Huddles (15 people) | Full meetings |
| Integrations | 2,500+ | 1,000+ |
| Best For | Tech, startups | Enterprises |
Pricing
Slack
- Free: 90-day message history
- Pro: $8.75/user/month
- Business+: $15/user/month
- Enterprise: Custom
Teams
- Free: Basic features
- Essentials: $4/user/month
- Basic: $6/user/month (with 365)
- Standard: $12.50/user/month (with 365)
Winner: Teams cheaper, especially with Microsoft 365.
Features
Messaging
Slack: Threads, channels, DMs, search excellent Teams: Channels, chats, threads (less intuitive)
Winner: Slack for pure messaging UX.
Video Meetings
Slack: Huddles (15 people max) Teams: Full video meetings, recording, webinars
Winner: Teams for video meetings.
Integrations
Slack: 2,500+ apps, superior API Teams: 1,000+ apps, Microsoft ecosystem
Winner: Slack for third-party, Teams for Microsoft.
Who Should Choose Slack?
✅ Tech companies and startups ✅ Heavy third-party integrations ✅ Value UX over price ✅ Not Microsoft-dependent
Who Should Choose Teams?
✅ Microsoft 365 users ✅ Video meeting focus ✅ Cost-conscious ✅ Large enterprises
FAQ
Can I use both?
Yes, but creates friction. Pick one for primary communication.
Is Teams really free?
Free tier exists but limited. Full features require Microsoft 365.
Which is more secure?
Both enterprise-grade. Teams has slight edge with Microsoft security stack.
Need unified customer communication? Dewx integrates with both for client messaging.