Discord vs Mattermost
Last updated July 2026
Discord
Community-first messaging with best-in-class voice channels
Advantages
- Generous free tier with unlimited message history
- Voice channels that stay open like rooms are the category's best
- Excellent for large communities, servers can scale to millions of members
- Screen sharing and Stage channels for events
- Nitro upgrade ($9.99/mo) unlocks HD streaming and larger file uploads
Drawbacks
- Not designed for professional/enterprise controls
- Limited business integrations compared to Slack
- No SSO, DLP, or compliance tooling for regulated industries
- Public reputation still associated with gaming
Mattermost
Self-hosted, open-source team messaging for regulated industries
Advantages
- Self-hosted deployment, full data control
- Open source with an MIT-licensed core
- Strong compliance and security controls for regulated industries
- Playbooks feature for incident response and workflow automation
- Free Team Edition for small teams
Drawbacks
- Requires infrastructure and IT support to self-host
- Smaller integration ecosystem than Slack
- UI less polished than Slack
- Cloud edition available but less feature-rich than Slack cloud
Discord and Mattermost both play in team communication, but they're aimed at different buyers. Discord is built for communities, indie teams, and gaming groups where voice matters. Mattermost is built for regulated industries, government, defense, and orgs requiring on-premises data. Which one fits depends on which of those descriptions sounds more like you.
Feature Comparison
| Feature | Discord | Mattermost |
|---|---|---|
| Starting Price | Free; Nitro $9.99/mo (personal features) | Free (self-hosted); Professional $10/user/mo |
| Deployment Model | -- | Self-hosted or Mattermost Cloud |
| Open Source | -- | MIT-licensed core |
| Messaging UX | Server + channel; slightly more casual than Slack | Channel + thread; less refined than Slack |
| Integrations | Bots and webhooks; smaller business ecosystem | 500+ apps |
| AI Features | Community bots via API | AI Copilot in preview; smaller than Slack AI |
| Compliance | -- | SOC 2, FedRAMP, HIPAA, GDPR (self-hosted control) |
| Self-Hosting Support | -- | Yes, first-party self-hosted deployment |
| Voice Channels | Best-in-class persistent voice rooms | -- |
| External Collaboration | Public/private servers; user-managed | -- |
| Community Features | Roles, permissions, moderation, Stage events | -- |
| Admin Controls | Server-level permissions; no enterprise SSO | -- |
Discord Wins
Discord takes it overall (8/10 vs 7/10), but Mattermost is still the sharper pick for regulated industries, government, defense, and orgs requiring on-premises data.
Discord's standout strength: Generous free tier with unlimited message history. Its biggest drawback (not designed for professional/enterprise controls) is easier to live with than Mattermost's (requires infrastructure and IT support to self-host). Mattermost isn't out of the running though — its own standout strength is self-hosted deployment, full data control. If you fit the profile of regulated industries, government, defense, and orgs requiring on-premises data, that alone can flip the decision.
Related Comparisons
Slack vs Discord
The workplace messaging leader meets the gaming-turned-community platform, which fits your team?
Microsoft Teams vs Discord
The enterprise-bundled Microsoft communication platform meets Discord's community-friendly chat, which fits?
Mattermost vs Slack
The self-hosted open-source alternative meets the category leader, which fits your team?