Slack Pricing Explained
Every plan, every limit, every gotcha. No marketing fluff. Updated March 2026.
Free
$0
forever
- ✓90-day message history
- ✓10 integrations
- ✓1:1 calls only
- ✓1 workspace
Gotcha
You lose all messages older than 90 days. Painful when you scale.
Pro
$8.75
/user/mo (annual)
- ✓Unlimited history
- ✓Unlimited integrations
- ✓Group calls
- ✓Workflow Builder
Gotcha
No SSO, no compliance exports. You'll need Business+ if you're in a regulated industry.
Business+
$12.50
/user/mo (annual only)
- ✓SAML SSO
- ✓SCIM provisioning
- ✓Compliance exports
- ✓99.99% SLA
Gotcha
Annual billing only — no monthly option. And SSO is table stakes elsewhere.
Enterprise Grid
$15–$25
/user/mo (negotiated)
- ✓Unlimited workspaces
- ✓HIPAA compliance
- ✓Data residency
- ✓Dedicated CSM
Gotcha
Custom contract required. Pricing is opaque. Budget 3–6 months to negotiate.
Full Feature Comparison
| Feature | Free | Pro | Business+ | Enterprise |
|---|---|---|---|---|
| Price (annual) | Free | $8.75/user/mo | $12.50/user/mo | $15–$25/user/mo |
| Price (monthly) | Free | $9.75/user/mo | Annual only | Custom |
| Message history | 90 days | Unlimited | Unlimited | Unlimited |
| Integrations | 10 active | Unlimited | Unlimited | Unlimited |
| Audio/video calls | 1:1 only | Group calls | Group calls | Group calls |
| Screen sharing | — | ✓ | ✓ | ✓ |
| Workflow Builder | Basic | Advanced | Advanced | Advanced + custom steps |
| SAML SSO | — | — | ✓ | ✓ |
| SCIM provisioning | — | — | ✓ | ✓ |
| Compliance exports | — | — | ✓ | ✓ |
| Data residency | — | — | — | ✓ |
| HIPAA compliance | — | — | — | ✓ |
| 99.99% SLA | — | — | ✓ | ✓ |
| Multiple workspaces | — | — | — | Unlimited |
| 24/7 support | — | — | ✓ | Dedicated CSM |
Frequently Asked Questions
How much does Slack Pro cost?
Slack Pro costs $8.75/user/month on annual billing, or $9.75/user/month on monthly billing. It includes unlimited message history, unlimited integrations, and group calls.
What is included in the Slack free plan?
The Slack Free plan includes 90 days of message history, 10 active integrations, 1:1 audio and video calls, and basic Workflow Builder access. It is limited to 1 workspace.
Does Slack charge for guest accounts?
Slack allows a limited number of guests on paid plans without extra charge — typically up to 5 multi-channel guests. Beyond that threshold, each additional guest is billed as a partial seat depending on channel access.
What is Slack Business+ and what does it cost?
Slack Business+ costs $12.50/user/month (annual billing only). It adds SAML SSO, compliance data exports, a 99.99% uptime SLA, and advanced identity management. It is the minimum plan required for regulated industries.
How much does Slack Enterprise Grid cost?
Slack Enterprise Grid is custom-priced, typically ranging from $15 to $25 per user per month depending on team size, contract length, and negotiated discounts. It includes unlimited workspaces, HIPAA compliance, and enterprise-grade security.
Not sure which plan is right?
Use our calculator on the home page to model your exact cost, or get a free stack audit.
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