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
Pros & cons
A balanced look at where each product shines — and where it falls short.
8x8
Strengths in greenPros
- Stronger on number / country coverage
- Stronger on power dialer
- Stronger on whatsapp business
- Stronger on routing & ivr
Cons
- Trails on crm / cti integrations
Best for
Mid-market and enterprise teams needing global UCaaS with a contact-centre path
Slack
Trade-offs in redPros
- Stronger on crm / cti integrations
Cons
- Trails on number / country coverage
- Trails on power dialer
- Trails on whatsapp business
Best for
Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
Choose if…
Choose 8x8 if
- 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
Choose Slack if
- 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
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