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
Comparison scorecard
Criterion-by-criterion results for 8x8 and Slack. Numeric bars appear only when both products have approved scores.
- Depends
Starting pricing
Published floor price and what that floor actually includes.
8x8 researched starting price from $24/mo; Slack researched starting price from $7.25/mo; a free plan is researched. Better value depends on seat minimums and add-ons.
8x8DependsSlackDepends - Depends
User / licence minimum
Seat floors, per-employee minimums, and small-team pricing traps.
Check seat or licence minimums for 8x8 and Slack on current vendor packaging — not inferred beyond researched pricing notes.
8x8DependsSlackDepends - 8x8
Number / country coverage
Published local numbers and country coverage.
Stronger cloud phone availability
8x8StrongerSlackWeaker - 8x8
Power dialer
Power or parallel dialing for outbound teams.
8x8 leads on power dialer (7/10 vs 2/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
8x8StrongerSlackWeaker - 8x8
WhatsApp Business
WhatsApp Business API / BSP capability.
Stronger whatsapp business availability
8x8StrongerSlackWeaker - Slack
CRM / CTI integrations
CRM click-to-call, logging, and CTI depth.
Slack leads on crm integrations (9/10 vs 10/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
8x8WeakerSlackStronger - 8x8
Routing & IVR
Call routing, IVR, queues, and skills-based assignment.
8x8 leads on routing (10/10 vs 4/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
8x8StrongerSlackWeaker - 8x8
Analytics
Campaign, conversation, or workforce reporting depth.
8x8 leads on analytics (9/10 vs 6/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
8x89/10Slack6/10 - Tie
AI features
Useful AI for the primary job — not marketing fluff.
8x8 and Slack are close on ai features (8/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
8x88/10Slack8/10
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