PrivOS vs Slack
PrivOS and Slack are both team communication tools aimed at small businesses and enterprise. Slack costs less, from $8.75/mo versus $20/mo for PrivOS. Both have a free plan.
| Pricing | Freemium · $20 | Freemium · $9 |
| Starting price | $20/mo | $8.75/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Small businesses, Enterprise, Developers | Small businesses, Enterprise |
| Platforms | web, linux | web, macos, windows, linux, ios, android |
| Country | — | US · 2013 |
| Rating | — | — |
Choose PrivOS if
Small and mid-sized teams that want chat, lists, files and AI agents on infrastructure they control.
- Free self-hosted Community edition for up to 10 users
- Agents do not count toward the free user limit
- Bring your own or locally hosted LLMs
Look elsewhere if: Teams that want a proven, widely adopted chat or project tool with large ecosystems (Mattermost, ClickUp).
Choose Slack if
Teams of any size that are not already standardized on Microsoft Teams and value integrations.
- Best-in-class UX for team chat
- Huge integration ecosystem
- Slack Connect for working with partners
Look elsewhere if: Microsoft 365-centric organizations (Teams is included) or teams preferring async-first tools (Twist).
PrivOS vs Slack pricing
PrivOS
- Community$0Self-hosted, free up to 10 users, bring your own LLM keys
- Starter$20/user/mo5,000 LLM credits/user, shared cloud; 10% off annually
- Professional$30/user/mo10,000 credits/user, workflow engine, audit log
- Enterprise$45/user/mo20,000 credits/user, min 50 users, DLP, SIEM, SCIM
- Custom EnterpriseCustomOn-prem or air-gap, $4/user licence plus services
Slack
- Free$090-day message history, 1:1 huddles
- Pro$8.75/user/mo$7.25/mo billed annually; unlimited history and apps, group huddles
- Business+$18/user/mo$15/mo billed annually; Slack AI, SAML SSO, data exports
- Enterprise+CustomEnterprise search, DLP, advanced security; contact sales
PrivOS · Key features
- Rooms with channels, threads, direct messages and calls
- Smart Lists with Kanban and table views, 16 field types, XLSX import
- Versioned file storage on S3-compatible object storage
- Room-scoped AI agents in sandboxed containers with approval gates
- Bots reacting to 18 workspace event types, plus webhooks
- Connect no-code builder for multi-step AI workflows
Cons
- Community install supports Linux x86_64 only, no arm64
- Each extra custom agent is billed like a user seat
- Shown prices are a discounted rate below list price
Slack · Key features
- Channels, threads, DMs and shared channels across companies (Slack Connect)
- Huddles with screen sharing and canvases for docs
- Workflow Builder and 2,600+ app integrations
- Slack AI: summaries, search answers, recaps
- Lists for lightweight task tracking
- Enterprise security: SSO, DLP, EKM, compliance exports
Cons
- Expensive per seat for large teams
- Free plan's 90-day history limit
- Notification overload without discipline
PrivOS vs Slack: FAQ
Which is cheaper, PrivOS or Slack?
Slack starts at $8.75/mo and PrivOS at $20/mo. Both prices are checked on the vendors' own pricing pages.
Do PrivOS and Slack have a free plan?
Yes, both PrivOS and Slack have a free plan; paid plans add more usage and features.