Slack is 100% cheaper
than Zulip
$0/mo (Free) vs Zulip Self-hosted Basic at $3.50/mo — covering 89% of the 9 compared capabilities.
Same job. Way less money.
Comparison scenario
Every cheaper-than claim is tied to a defined scenario — never a bare list price.
10 seats, monthly billing · USD · prices as observed on official pricing pages.
Self-hosted Basic plan at $3.50/mo, the cheapest paid plan.
Free: 0 USD/monthly.
Zulip costs $3.50/mo on the Self-hosted Basic plan at 10 seats, monthly billing. We found 1 assessed alternative that is cheaper in this scenario; 1 of them covers at least 75% of the 9 compared capabilities.
Capability comparison
Slack covers 89% of the 9 capabilities compared against Zulip. ✓ native · ◐ via integration · ✗ not found.
| Capability | Slack | Zulip |
|---|---|---|
| Channels & group messaging | ✓ | ✓ |
| Threaded conversations | ✓ | ✓ |
| Audio/video calls & screen sharing | ✓ | ◐ |
| Guest & external collaboration | ✓ | ✓ |
| App integrations | ✓ | ✓ |
| SAML single sign-on | ✓ | ✓ |
| Compliance exports & audit logs | ✓ | ✓ |
| Self-hosted deployment | ✗ | ✓ |
| AI search & summaries | ✓ | ◐ |
What you give up
Capabilities Zulip has that Slack lacks.
- Self-hosted deployment — Run the chat platform on your own infrastructure.Missing from Slack.
Price at your volume
The same comparison recomputed at three sizes. Plan caps change who is cheapest.
| Scenario | Zulip | Slack |
|---|---|---|
| 3 seats | $3.50/mo | $0/mo (Free) |
| 10 seats | $3.50/mo | $0/mo (Free) |
| 25 seats | $3.50/mo | $0/mo (Free) |
Plans & pricing, side by side
Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.
| Free | Free |
| Pro | $8.75/seat/mo |
| Business+ | $18/seat/mo |
| Enterprise+ | Contact sales |
| Zulip Cloud Free | Free |
| Zulip Cloud Standard | $8/seat/mo |
| Zulip Cloud Plus | $12/seat/mo |
| Self-hosted Free | Free |
| Self-hosted Basic | $3.50/mo |
| Self-hosted Business | $8/seat/mo |
| Self-hosted Enterprise | Contact sales |
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Frequently asked
How much cheaper is Slack than Zulip?
100% cheaper in our scenario (10 seats, monthly billing): $0/mo on Free vs $3.50/mo on Self-hosted Basic. That is $42 a year.
What does Slack lack compared with Zulip?
Self-hosted deployment — 1 of the 9 compared capabilities.
When were these prices checked?
Zulip: 2026-09-07; Slack: 2026-08-26 — on the official pricing pages.
Sources & freshness
- https://zulip.com/plans/ (official_pricing, checked 2026-09-07)
- Slack data last verified 2026-08-26