Slack vs Microsoft Teams: Honest Comparison (2026)
👑
Slack
★8.5/10WINNER
Where work happens — messaging, files, and tools in one place
Free PlanFrom $8.75/mo
Visit Slack ↗VS
Microsoft Teams
★8.2/10
Chat, video meetings, and collaboration hub for Microsoft 365
From $4/mo
Visit Microsoft Teams ↗🏆Slack wins with 8.5/10 — leading by 0.3 points
TL;DR
Slack wins this comparison with a score of 8.5/10 vs 8.2/10. Slack offers a free plan. Choose Slack for ease of use, or Microsoft Teams for better value.
Slack and Microsoft Teams dominate the business communication landscape, each serving hundreds of millions of users worldwide. Slack pioneered the modern channel-based messaging experience and remains the favorite among tech companies, while Microsoft Teams leverages deep Office 365 integration to dominate enterprise adoption. This comparison explores which platform best fits your organization's communication needs.
Key Differences at a Glance
Messaging Experience
✓Slack: Best-in-class threaded messaging
Microsoft Teams: Good messaging with channels
Video Conferencing
Slack: Huddles and third-party integrations
✓Microsoft Teams: Full-featured built-in meetings
File Collaboration
Slack: File sharing with previews
✓Microsoft Teams: Deep Office 365 co-authoring
Quick Verdict
Choose Slack if your team values a best-in-class messaging experience, extensive third-party integrations, and a developer-friendly platform. Choose Microsoft Teams if your organization is invested in the Microsoft 365 ecosystem and needs built-in video conferencing, document collaboration, and enterprise compliance features.
Overall Score Comparison
8.5
Slack
3 categories won
VS
8.2
Microsoft Teams
2 categories won
Category
Slack
Microsoft Teams
🏆Overall Score
8.5
▲
◀
8.2
💫Ease of Use
9.0
▲
◀
7.5
⚙Features
8.5
▶
▲
8.8
💰Value for Money
7.5
▶
▲
8.5
💬Customer Support
8.0
▲
◀
7.5
Feature-by-Feature Comparison
| Feature | Slack | Microsoft Teams |
|---|---|---|
| Communication | ||
| Messaging Experience | Best-in-class threaded messaging | Good messaging with channels |
| Video Conferencing | Huddles and third-party integrations | Full-featured built-in meetings |
| Productivity | ||
| File Collaboration | File sharing with previews | Deep Office 365 co-authoring |
| Ecosystem | ||
| Third-Party Integrations | 2600+ apps in directory | Growing app ecosystem |
| UX | ||
| Search | Excellent search functionality | Improving but less refined |
| Channels Organization | Superior channel management | Teams and channels structure |
| Pricing | ||
| Free Plan | 90-day message history limit | More generous free tier |
| Security | ||
| Enterprise Compliance | Enterprise Grid available | Deep Microsoft compliance tools |
| Development | ||
| Developer Tools | Robust API and Bolt framework | Power Platform integration |
| Platform | ||
| Mobile Experience | Polished mobile app | Full-featured but heavier app |
Pricing Comparison
| Pricing Feature | Slack | Microsoft Teams |
|---|---|---|
| Free Plan | ✓ Yes | ✗ No |
| Starting Price | $8.75/mo | $4/mo |
| Free Trial | Not available | 30 days |
| Number of Plans | 3 | 4 |
| Value Rating | 7.5/10 | 8.5/10 |
Slack Plans
Free
Free- \u271390-day message history
- \u271310 integrations
- \u27131:1 video calls
- \u27135GB storage
ProPOPULAR
$8.75/mo- \u2713Unlimited message history
- \u2713Unlimited integrations
- \u2713Group video calls
- \u271310GB per member
- +1 more
Business+
$15/mo- \u2713Everything in Pro
- \u2713SAML SSO
- \u2713Data exports
- \u271324/7 support
Microsoft Teams Plans
Microsoft Teams (Free)
Free- \u2713100 participants in meetings
- \u271360-min group meetings
- \u27135GB cloud storage
- \u2713Unlimited chat
- +1 more
Microsoft Teams EssentialsPOPULAR
$4/mo- \u2713300 participants
- \u271330-hour meetings
- \u271310GB per user storage
- \u2713Phone and web support
- +1 more
Microsoft 365 Business Basic
$6/mo- \u2713Everything in Essentials
- \u27131TB OneDrive storage
- \u2713Web Office apps
- \u2713Business email
- +1 more
Microsoft 365 Business Standard
$12.5/mo- \u2713Everything in Basic
- \u2713Desktop Office apps
- \u2713Webinar attendee registration
- \u2713Collaborative workspaces
- +1 more
💰
Best Value: Microsoft TeamsBased on starting price and value-for-money rating
Which Should You Choose?
Choose Slack if...
Tech companies and developer-heavy organizations,Teams needing extensive third-party app integrations,Organizations preferring a focused messaging experience,Teams that value customizable workflows and Slack bots,Startups and fast-moving teams wanting quick adoption
Choose Microsoft Teams if...
Organizations using Microsoft 365 (Word Excel SharePoint),Enterprises needing built-in video conferencing at scale,Teams requiring deep SharePoint and OneDrive integration,Organizations with strict compliance and governance needs,Large enterprises wanting to consolidate communication costs
Still not sure?
Explore alternatives and pricing for both tools.
Frequently Asked Questions
Teams can replace Slack for messaging but the experience is different. Teams excels at integrated Office workflows while Slack offers a more refined, faster messaging experience with better third-party integrations.
Microsoft Teams is often cheaper because it is included in Microsoft 365 subscriptions that many businesses already pay for. Slack requires a separate subscription, though its free tier is useful for small teams.
Microsoft Teams has superior built-in video conferencing with features like Together Mode, breakout rooms, and large meeting support. Slack's Huddles are great for quick calls but lack full meeting management features.
Yes, there is an official Slack-Teams integration that allows cross-platform messaging. However, the experience is limited compared to using either platform natively.
You Might Also Compare
💡
The Bottom Line
Slack edges out Microsoft Teams with a 8.5/5 vs 8.2/5 rating — a moderate edge.
Choose Slack if your team values a best-in-class messaging experience, extensive third-party integrations, and a developer-friendly platform. Choose Microsoft Teams if your organization is invested in the Microsoft 365 ecosystem and needs built-in video conferencing, document collaboration, and enterprise compliance features. Ultimately, Slack offers a moderate edge overall, but Microsoft Teams may still be the better pick depending on your specific priorities and budget.