8x8 vs Five9
Compare 8x8 and Five9 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
- ✓ Routing & IVR
- ✓ Analytics
Five9 is better for
- ✓ Power dialer
Tie
- • Number / country coverage
- • WhatsApp Business
- • CRM / CTI integrations
Choose 8x8 if: Mid-market and enterprise teams needing global UCaaS with a contact-centre path
Choose Five9 if: Mid-market and enterprise contact centres that need blended dialer strength

Five9
Cloud contact center (CCaaS) — Digital from $119/concurrent seat/mo; Core $159; Plus/Pro/Enterprise quote — 50-seat minimum.
Best for
- • Mid-market and enterprise contact centres that need blended dialer strength
- • Teams comfortable with concurrent-seat economics and 50+ seat minimums
- • Buyers who want CRM/UC adapter choice inside CCaaS
Starting from $119.00/user/mo
No free plan
8x8 vs Five9 at a glance
Criterion-level leaders from verified research.
Scorecard preview
Criterion leaders based on verified research — open the Scorecard tab for evidence detail.
- Starting pricingDepends
8x8
Five9
- User / licence minimumDepends
8x8
Five9
- Number / country coverageTie
8x8
Five9
- Power dialerFive9
8x8
Five9
- WhatsApp BusinessTie
8x8
Five9
Which business communications is better for you?
Quick picks based on fit — not a universal ranking.
- → 8x8
Best for routing & ivr
8x8 leads on routing (10/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → 8x8
Best for analytics
8x8 leads on analytics (9/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → Five9
Best for power dialer
Five9 leads on power dialer (7/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
The biggest differences
Where the products diverge most clearly on verified criteria.
Starting pricing
Depends8x8
8x8 researched starting price from $24/mo; Five9 researched starting price from $119/mo. Better value depends on seat minimums and add-ons.
Five9
8x8 researched starting price from $24/mo; Five9 researched starting price from $119/mo. Better value depends on seat minimums and add-ons.
WhatsApp Business
Tie8x8
8x8 and Five9 have the same researched availability on whatsapp business (8x8: limited; Five9: limited).
Five9
8x8 and Five9 have the same researched availability on whatsapp business (8x8: limited; Five9: limited).
Power dialer
Five9 wins8x8
Trails Five9 on this criterion
Five9
Five9 leads on power dialer (7/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Routing & IVR
8x8 wins8x8
8x8 leads on routing (10/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Five9
Trails 8x8 on this criterion
CRM / CTI integrations
Tie8x8
8x8 and Five9 are close on crm integrations (9/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Five9
8x8 and Five9 are close on crm integrations (9/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Which should you choose?
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 Five9 if
- Mid-market and enterprise contact centres that need blended dialer strength
- Teams comfortable with concurrent-seat economics and 50+ seat minimums
- Buyers who want CRM/UC adapter choice inside CCaaS
Related comparisons
Alternatives to consider

RingCentral
Enterprise-grade UCaaS / cloud phone platform (RingEX) with deep call routing, video, team messaging and contact-centre options — Core from ~$20/user/month annual.

Dialpad
AI-first cloud phone (Dialpad Connect) with included transcription/summaries — Standard from $15/user/month annual; Sell and Support are separate product ladders.

Zoom
Meetings-first Workplace suite plus Zoom Phone UCaaS — Phone US/CA Unlimited research floor ~$15–16/user/month; free meetings/chat exist but Phone is paid.

Aircall
Mid-market cloud phone and customer-conversation platform with deep CRM/helpdesk CTI, IVR, power dialer on Professional, and paid AI add-ons — 3-licence minimum.
How we compare
A short look at the comparison process. Full methodology
1
Collect
Collect official product information, pricing, and product evidence.
2
Normalize
Map evidence to the same category evaluation criteria for both products.
3
Compare
Evaluate both products against identical criteria — ties and depends are allowed.
4
Explain
Show why each product wins, loses, or ties, with evidence behind the outcome.
Still deciding between 8x8 and Five9?
Use Best communications software for a shortlist matched to your priorities, or build another side-by-side comparison.
- Independent criterion outcomes
- No invented scores or prices
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