Microsoft Teams is 54% cheaper
than Slack
$40/mo (Teams Essentials) vs Slack Pro at $87.50/mo for 10 seats ($8.75/seat) — covering 14% of the 14 compared capabilities.
Same job. Way less money.
Comparison scenario
Every cheaper-than claim is tied to a defined scenario — never a bare list price.
10 seats, monthly billing · USD · prices as observed on official pricing pages.
Pro plan at $87.50/mo ($8.75/seat × 10 seats), the cheapest paid plan.
Teams Essentials: 48 USD/yearly; 9 extra seat(s) × 48 USD.
Slack costs $87.50/mo on the Pro plan at 10 seats, monthly billing. We found 1 assessed alternative that is cheaper in this scenario; 0 of them cover at least 75% of the 14 compared capabilities.
Capability comparison
Microsoft Teams covers 14% of the 14 capabilities compared against Slack. ✓ native · ◐ via integration · ✗ not found.
| Capability | Microsoft Teams | Slack |
|---|---|---|
| Channels & group messaging | ✓ | ✓ |
| Threaded conversations | ✗ | ✓ |
| Unlimited message history | ✗ | ✓ |
| Audio/video calls & screen sharing | ✓ | ✓ |
| App integrations | ✗ | ✓ |
| Guest & external collaboration | ✗ | ✓ |
| AI search & summaries | ✗ | ✓ |
| Workflow automation | ✗ | ✓ |
| SAML single sign-on | ✗ | ✓ |
| Compliance exports & audit logs | ✗ | ✓ |
| Docs & wikis | ✗ | ✓ |
| SSO & SCIM provisioning | ✗ | ✓ |
| AI assistant | ✗ | ✓ |
| Workflow automations | ✗ | ✓ |
What you give up
Capabilities Slack has that Microsoft Teams lacks.
- Threaded conversations — Reply within a thread instead of the main channel feed.Missing from Microsoft Teams.
- Unlimited message history — Search and access message history without a retention limit.Missing from Microsoft Teams.
- App integrations — Connect other apps and tools into the chat.Missing from Microsoft Teams.
- Guest & external collaboration — Invite people outside your organization into a conversation.Missing from Microsoft Teams.
- AI search & summaries — Search and summarize conversations with an AI assistant.Missing from Microsoft Teams.
- Workflow automation — Automate routine steps directly within chat.Missing from Microsoft Teams.
- SAML single sign-on — Sign in through your company's SAML single sign-on.Missing from Microsoft Teams.
- Compliance exports & audit logs — Export message history and audit logs for compliance.Missing from Microsoft Teams.
- Docs & wikis — Create shared documents and a team wiki alongside tasks.Missing from Microsoft Teams.
- SSO & SCIM provisioning — Sign in through your company's SSO with SCIM provisioning.Missing from Microsoft Teams.
- AI assistant — Get AI help drafting updates or summarizing project status.Missing from Microsoft Teams.
- Workflow automations — Automate repetitive workflow steps.Missing from Microsoft Teams.
Price at your volume
The same comparison recomputed at three sizes. Plan caps change who is cheapest.
| Scenario | Slack | Microsoft Teams |
|---|---|---|
| 3 seats | $26.25/mo | $12/mo (Teams Essentials) |
| 10 seats | $87.50/mo | $40/mo (Teams Essentials) |
| 25 seats | $218.75/mo | $100/mo (Teams Essentials) |
Plans & pricing, side by side
Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.
| Teams Essentials | $4/seat/mo (billed yearly) |
| Microsoft 365 Business Basic | $7/seat/mo (billed yearly) |
| Microsoft 365 Business Standard | $23.50/seat/mo (billed yearly) |
| Free | Free |
| Pro | $8.75/seat/mo |
| Business+ | $18/seat/mo |
| Enterprise+ | Contact sales |
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Frequently asked
How much cheaper is Microsoft Teams than Slack?
54% cheaper in our scenario (10 seats, monthly billing): $40/mo on Teams Essentials vs $87.50/mo on Pro. That is $570 a year.
What does Microsoft Teams lack compared with Slack?
Threaded conversations, Unlimited message history, App integrations, Guest & external collaboration, AI search & summaries, Workflow automation, SAML single sign-on, Compliance exports & audit logs, Docs & wikis, SSO & SCIM provisioning, AI assistant, Workflow automations — 12 of the 14 compared capabilities.
When were these prices checked?
Slack: 2026-08-26; Microsoft Teams: 2026-08-25 — on the official pricing pages.
Sources & freshness
- https://slack.com/pricing (official_pricing, checked 2026-08-26)
- https://slack.com/pricing#main_focusable (official_pricing, checked 2026-08-26)
- Microsoft Teams data last verified 2026-08-25