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
Pros & cons
A balanced look at where each product shines — and where it falls short.
8x8
Strengths in greenPros
- Stronger on routing & ivr
- Stronger on analytics
Cons
- Trails on power dialer
Best for
Mid-market and enterprise teams needing global UCaaS with a contact-centre path
Five9
Trade-offs in redPros
- Stronger on power dialer
Cons
- Trails on routing & ivr
- Trails on analytics
Best for
Mid-market and enterprise contact centres that need blended dialer strength
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 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
Still unsure which fits?
Answer a few buyer questions and get a shortlist matched to your priorities.
Best communications softwareSome visit links may be affiliate links — we may earn a commission at no extra cost to you. Comparison outcomes are never based on commission.