Slack and Discord are both powerful communication platforms, but they serve fundamentally different audiences. Slack is the enterprise messaging standard built for workplace productivity. Discord started as a gamer's chat app but has evolved into a versatile community platform. Which one is right for your team?
Quick Verdict
Choose Slack for professional workplace communication with deep integrations, thread management, and enterprise compliance. Choose Discord for community building, real-time voice chat, and cost-effective team communication. For business teams, Slack is still the gold standard; for communities and startups, Discord offers incredible value.
Feature Comparison
| Feature | Slack | Discord |
|---|---|---|
| Threads | ✅ Excellent | ✅ Good (threads) |
| Voice Channels | ⚠️ Huddle (limited) | ✅ Excellent, persistent |
| Video Calls | ✅ Up to 50 participants | ✅ Up to 25 (increased with boosts) |
| Screen Sharing | ✅ | ✅ |
| Integrations | ✅ 2,400+ apps | ⚠️ Growing (bots) |
| Message History | ✅ 90 days (free), unlimited (paid) | ✅ Unlimited (free) |
| File Uploads | ✅ 5GB (free), 1GB (paid plan) | ✅ 25MB (free), 500MB (boosted) |
| Roles & Permissions | ✅ Advanced | ✅ Very granular |
| Guest Accounts | ✅ | ✅ |
Slack — Pros & Cons
Pros
- Best-in-class threading for focused conversations
- Massive integration ecosystem (Google, Jira, GitHub, etc.)
- Professional appearance suitable for client communication
- Enterprise-grade compliance and security (SAML, audit logs)
- Excellent search functionality
Cons
- Very expensive at scale ($8.75+/user/month)
- Free tier limits message history to 90 days
- Voice chat (Huddles) is limited
- Becomes noisy in large workspaces
- Slow performance on large workspaces
Discord — Pros & Cons
Pros
- Completely free with unlimited message history
- Excellent persistent voice channels
- Granular role-based permissions
- Great for community building and gaming
- Server boosting for quality upgrades
Cons
- Less professional appearance (gaming roots)
- Fewer native business integrations
- Limited video call capacity (25 vs 50)
- File upload limits are low without boosts
- Less suited for formal workplace communication
Pricing
Slack: Free (90-day message history, 10 integrations). Pro is $8.75/month per user. Business+ is $15/month per user. Enterprise Grid is custom.
Discord: Free (unlimited messages, 25MB uploads). Nitro Classic is $3/month. Nitro is $10/month (500MB uploads, HD video, more). Server boosts start at $3/month.
Conclusion
For professional teams and enterprises, Slack's integration ecosystem, threading, and compliance features make it the right choice despite the cost. For communities, gaming teams, and startups on a budget, Discord's free tier and excellent voice features are unbeatable. Many teams now use both — Slack for work, Discord for community.