Bottom line
Microsoft Teams wins if you already live in Microsoft 365. Slack wins for product/startup cultures that want best-in-class channel UX and integrations. Discord can work for community-heavy or very casual crews, but it’s rarely the best primary HQ for formal companies.
Who this is for
- Remote startups choosing a chat HQ
- Teams deciding whether to consolidate into Microsoft 365
- Communities bridging work and hangout spaces
Comparison
| Tool | Best for | Strength | Weak fit |
|---|---|---|---|
| Slack | Product/startup teams | Channels + integrations | Cost at scale |
| Teams | Microsoft 365 orgs | Meetings + Office gravity | Can feel heavy |
| Discord | Communities / informal groups | Voice rooms + casual culture | Enterprise admin expectations |
Pros and cons
Slack
Pros: Fast messaging UX, app ecosystem, searchable culture (when disciplined).
Cons: Notification overload is easy; pricing grows with usage.
Teams
Pros: Meetings + docs + chat under one vendor; strong admin story for IT.
Cons: Heavier UI; culture can feel corporate by default.
Discord
Pros: Excellent voice hangouts, low friction communities.
Cons: Permissions/branding/compliance may not match company needs.
Pricing overview
Chat tools look cheap until you add guests, SSO, retention, and compliance packs. Price the plan you’ll need in 12 months, not the free trial tier.
FAQ
Can we mix tools?
Yes, but designate one source of truth for decisions. Dual-chat cultures create missed messages.
What about email?
Chat doesn’t replace email for external formal threads. Define what belongs where.
Which is best for standups?
Any of them. Ritual design beats software choice.
Our recommendation
Default to Teams inside Microsoft shops, Slack for integration-centric startups, and Discord only when community voice is the product. Trial Slack or confirm Teams licensing inside your existing Microsoft agreement before migrating channels.
Keep exploring
See more independent tests in the lab, or read how scores get made.