8x8 vs Slack
Compare 8x8 and Slack on features, pricing, and buyer fit using the same researched criteria.
8x8
Global UCaaS + contact-centre platform (8x8 Work / X Series) — Work X2 research floor ~$24/user/month annual; CC tiers custom/higher.
Best for
- • Mid-market and enterprise teams needing global UCaaS with a contact-centre path
- • Organisations shortlisting RingCentral-class peers for multi-country voice + meetings + chat
- • Buyers who want analytics/quality management inside the communications platform
Starting from $24.00/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
8x8 is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ WhatsApp Business
- ✓ Routing & IVR
Slack is better for
- ✓ CRM / CTI integrations
Tie
- • AI features
Choose 8x8 if: Mid-market and enterprise teams needing global UCaaS with a contact-centre path
Choose Slack if: Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
Slack
Channel-based team messaging platform — Free $0, Pro $7.25/user/month annual, Business+ $15, Enterprise+ contact sales; huddles for light video, not a phone system.
Best for
- • Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
- • Organisations that want a freemium chat workspace with a deep app ecosystem
- • Salesforce-centric companies aligning chat with CRM workflows
Starting from $7.25/user/mo
Free plan available
Feature comparison
Grouped feature support from verified product research for 8x8 and Slack.
Voice
| Feature | 8x8 | Slack | Winner |
|---|---|---|---|
| Cloud phone / VoIP | Strong | Limited | 8x8 |
| Call routing & IVR | Strong | Limited | 8x8 |
| Call recording | Strong | Limited | 8x8 |
| Power dialer | Moderate | Limited | 8x8 |
Messaging
| Feature | 8x8 | Slack | Winner |
|---|---|---|---|
| SMS messaging | Strong | Limited | 8x8 |
| WhatsApp Business | Moderate | Limited | 8x8 |
| Shared inbox | Moderate | Moderate | Tie |
| Team messaging | Strong | Strong | Tie |
| Unified multichannel inbox | Moderate | Moderate | Tie |
| Video meetings | Strong | Moderate | 8x8 |
Platform
| Feature | 8x8 | Slack | Winner |
|---|---|---|---|
| CRM / CTI integrations | Strong | Moderate | 8x8 |
| Analytics & reporting | Strong | Moderate | 8x8 |
| AI assistance | Strong | Moderate | 8x8 |
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