Slack Pricing (2026)

Straight per-seat pricing across the board, with the twist that monthly billing is a markup over annual — Pro's real price is $7.25/user/year vs $8.75 if you pay monthly. You're paying per active user for access to the workspace, so costs scale linearly with headcount, not usage.

From $8/mo 4 plans per-seat Free plan Best Slack alternatives → Slack's competitors →
Free
$0/mo per seat
Pro
$8/mo per seat
Business+ Popular
$18/mo per seat
Enterprise+
$45/mo per seat
Verified Sep 29, 2026 Official pricing page
Screenshot of Slack's pricing page showing its plans and prices
Their pricing page, captured Sep 29, 2026

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Free

$0/mo
  • 90 days of message history
  • Up to 10 apps
  • 1:1 meetings
  • 1:1 external messages

Pro

$8/mo per seat $7/mo per seat annual
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Basic AI
  • AI conversation summaries

Business+

Popular
$18/mo per seat $15/mo per seat annual
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Advanced AI
  • AI conversation summaries
  • Slackbot (personal AI agent) (New)
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management

Enterprise+

$45/mo per seat
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Enterprise-Grade AI
  • AI conversation summaries
  • Slackbot (personal AI agent) (New)
  • AI workflow generation
  • Enterprise search
  • AI daily recaps
  • AI file summaries
  • Multiple SAML configurations
  • SCIM user management
  • EMM integration support
  • Native data loss prevention

Does Slack have a free plan?

Yes: the Free plan is free forever, not a time-limited trial. When you outgrow it, paid plans start at $8/mo.

What the free plan includes

  • 90 days of message history
  • Up to 10 apps
  • 1:1 meetings
  • 1:1 external messages

AI Pricing Analysis

Pricing Model

Straight per-seat pricing across the board, with the twist that monthly billing is a markup over annual — Pro's real price is $7.25/user/year vs $8.75 if you pay monthly. You're paying per active user for access to the workspace, so costs scale linearly with headcount, not usage.

Tier Strategy

Free is bait for small teams testing Slack for basic chat with heavy history limits; Pro is the default for small teams that need full searchable history and unlimited integrations; Business+ targets companies needing SSO, compliance exports, and admin controls; Enterprise+ is for orgs that need SAML, HIPAA-level compliance, and a dedicated account team. The jump from Free to Pro happens fast once a team hits the message history wall — that's the real trigger, not seat count.

Competitive Positioning

Slack sits at the premium end of team chat — Teams is bundled free with Microsoft 365, and other chat tools undercut on price, so Slack's whole pitch is that the UX and integration ecosystem justify paying more per seat. They're not fighting on price; they're betting companies already sold on Slack culture won't switch for a cheaper alternative.

Growth Lever

The paywall gates message history, integrations, and admin/security controls, not usage volume — so expansion comes from seat growth as companies onboard more employees, plus tier upgrades when IT or security teams demand SSO and compliance features. The 50%-off-for-3-months promo on Pro and Business+ is clearly designed to get teams hooked at a low price before the full rate kicks in and switching costs are too high to walk away.

Want the strategist's read on the live page? Read the AI teardown of Slack's pricing page →

Slack Pricing FAQ

How much does Slack cost?
Paid plans start at $8/mo, going up to $45/mo for larger teams. You can get started on the free plan before committing.
Is there a free plan?
Yes. The "Free" plan is free forever, not just a trial. You get 90 days of message history, up to 10 apps, 1:1 meetings — plus 1 more features. It's enough to evaluate the product before upgrading.
Can I try it before paying?
There's no trial per se, but the free plan lets you use the product indefinitely with some limits.
How does the pricing work?
Straight per-seat pricing across the board, with the twist that monthly billing is a markup over annual — Pro's real price is $7.25/user/year vs $8.75 if you pay monthly. You're paying per active user for access to the workspace, so costs scale linearly with headcount, not usage.
Is there a discount for annual billing?
Yes — you save up to 17% if you pay annually instead of month-to-month. They also mention: "50% off for 3 months on Pro and Business+ plans purchased within first 7 days."
Which plan makes sense for me?
Free is bait for small teams testing Slack for basic chat with heavy history limits; Pro is the default for small teams that need full searchable history and unlimited integrations; Business+ targets companies needing SSO, compliance exports, and admin controls; Enterprise+ is for orgs that need SAML, HIPAA-level compliance, and a dedicated account team. The jump from Free to Pro happens fast once a team hits the message history wall — that's the real trigger, not seat count.

More Communication pricing

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Comparing Slack to something specific? Try Slack vs Zoom, Slack vs Loom, or Slack vs Aircall. Or see the best Slack alternatives, ranked.

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