Microsoft Teams vs Slack Pricing (2026)
Compare / Microsoft Teams vs Slack
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Team size
25 seats

Microsoft Teams vs Slack

Communication pricing comparison · 2026

Microsoft Teams pricing ranges from $0–$22/user/month, while Slack ranges from $0–$18/user/month. Microsoft Teams is typically 17% more affordable, though your actual cost depends on tier and team size.

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2 products · Communication
Side-by-side · live
Microsoft Teams
Microsoft Teams pricing ranges from free to $22 per user per month as of March 2026.
verified 27d ago
$399 $4.2K
View pricing →
Slack
Slack pricing ranges from free to $18/user/month as of March 2026.
verified 27d ago
$399 $4.2K
View pricing →
Verdict · Vendr median · year 1
Microsoft saves $3.8K vs Slack · 25 seats
Cheapest $399
Spread 91%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Microsoft 365 Business Basic
$1.8K/yr
year 1 license · $6/seat
Business+
$5.4K/yr
year 1 license · $18/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$399/yr
Vendr · n=344
Median annual
$4.2K/yr
Vendr · n=150 avg 14% negotiated
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 3 sourced facts
Vendr median · 2 review platforms
Last verified 3w ago
Confidence High confidence
Sources 26 sourced facts
22 hidden-cost · 1 contract · Vendr median · 2 review platforms
Last verified 3w ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
No hidden costs documented
5 documented
  • Per-user pricing becomes expensive at scale
    $5-$18/user/month
    3 sources
  • SAML SSO requires expensive enterprise tier
    $6/user/month
    2 sources
  • Limited features on lower tiers drive upsells
    $8-$18/user/month
    2 sources
  • Per-User Pricing Scales Quickly
    $3,150-$6,480 annually for a 30-person team
    4 sources
  • Free Plan Message History Deletion
    $8-$18/user/month to restore history
    4 sources
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
TrustRadius
8.5/5 (5)
Trustpilot
1.5/5 (25)
Best for
Individuals and small groups getting started
Watch out
Billing and account access issues - unable to resolve charges or login problems
TrustRadius
8.7/5 (5)
Trustpilot
2.3/5 (24)
Best for
Small teams and testing
Watch out
Expensive pricing for growing teams
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
Communication

Microsoft Teams

$0–$22
/user/month
6 plans · Free tier
Full pricing breakdown →
VS
Communication

Slack

$0–$18
/user/month
4 plans · Free tier
Full pricing breakdown →

Microsoft Teams and Slack both operate in the communication category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan Microsoft Teams Slack
Microsoft Teams (Free) Free /user/month Free /user/month
Microsoft Teams Essentials $4 /user/month $8.75 /user/month
Microsoft 365 Business Basic $6 /user/month $18 /user/month
Microsoft 365 Business Standard $12.50 /user/month Custom
Microsoft 365 Business Premium $22 /user/month
Microsoft Teams Enterprise (E3/E5) Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

Microsoft Teams

3 scenarios
$40/month ($480/year)
10-Person Startup
$300/month ($3,600/year)
50-Person Business
$2,100/month ($25,200/year)
100-Person Company with Phone
$6 Basic + $15 Phone per user

Slack

6 scenarios
$1,550 Year 1 ($1,050 licenses + $500 onboarding)
Small Team (10 users, Pro)
$14,000 Year 1 ($10,800 licenses + $2,000 onboarding + $1,200 integrations)
Mid-Market (50 users, Business+)
$52,000 Year 1 ($43,200 licenses + $5,000 implementation + $3,800 training)
Enterprise (200 users, Business+)
See all 6 scenarios →

Market Intelligence

Microsoft Teams

Median annual cost
$399
Based on
344 deals

Slack

Median annual cost
$4,200
Average negotiated discount
14%
Based on
150 deals

What Users Say

Microsoft Teams

Trustpilot
1.5/5 (25)
TrustRadius
8.5/10 (5)
Top complaints
  • Billing and account access issues - unable to resolve charges or login problems
  • Poor customer support - difficult to reach human agents, AI chat unhelpful
  • Subscription complexity - hard to cancel or manage subscriptions

Slack

Trustpilot
2.3/5 (24)
TrustRadius
8.7/10 (5)
Top complaints
  • Expensive pricing for growing teams
  • Poor customer support responsiveness
  • Notification overload and distraction

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