Zeros and OnesLLC
Pricing Analysis
Slack Pricing Breakdown
Understand Slack's per-user costs and see how OpenChat offers flat-rate team chat.
Cost Calculator
Estimate your monthly Slack costs
550 users500
Pro
$438/mo
$8.75/user
Business+
$750/mo
$15/user
Enterprise
$1,250/mo
~$25/user
OpenChat
Flat Rate
All Features
No Per-User Fees
Annual savings with flat-rateSignificant
Plan Comparison
Slack's tiers vs. OpenChat
| Plan | Slack | OpenChat | Slack Limitations |
|---|---|---|---|
| Free | $0 (limited) | Included | 90-day message history, limited integrations |
| Pro | $8.75/user/mo | Flat rate | Unlimited history, more integrations |
| Business+ | $15/user/mo | Flat rate | SSO, compliance exports |
| Enterprise Grid | ~$25+/user/mo | Flat rate | Custom, large organizations only |
Feature Availability
What requires upgrades on Slack
| Feature | Slack | OpenChat |
|---|---|---|
| Unlimited Message History | Pro+ | Included |
| Unlimited Integrations | Pro+ | Included |
| Group Video Calls | Pro+ | Included |
| Screen Sharing | Pro+ | Included |
| Guest Access | Business+ | Included |
| SSO (SAML) | Business+ | Included |
| Compliance Exports | Business+ | Included |
| Data Encryption at Rest | Enterprise | Included |
| Custom Retention | Enterprise | Included |
| HIPAA Compliance | Enterprise | Included |
| Self-Hosting | Not available | Available |
| Data Sovereignty | Enterprise only | Included |
Watch Out
Hidden Costs to Consider
Per-User Pricing
HighEvery employee needs a seat. Growing teams see costs scale linearly with headcount.
Enterprise Features Lock
HighSSO, compliance, and data controls require expensive Business+ or Enterprise plans.
Annual Billing Pressure
MediumBest rates require annual prepayment. Monthly billing is significantly more expensive.
Slack Connect Costs
MediumConnecting with external organizations may require higher tier plans.
Add-On Apps
LowSome premium integrations and workflow automations have additional costs.
Ready for Flat-Rate Team Chat?
All features, unlimited users, one predictable price. Plus self-hosting for complete control.