Nextiva vs Five9
Side-by-side from the Top 11 rankings of Nextiva vs RingCentral vs GoTo Connect: 11 Best VoIP Business Phone Systems 2026 and Five9 vs Talkdesk vs NICE CXone: 11 Best Call Center Software Platforms 2026. Last verified June 16, 2026.
The short answer
Five9 ranks higher on Top 11 (#1 vs #1) for Small businesses replacing landlines with cloud phone systems / Support and sales teams running inbound or outbound call centers. A top-tier, reliable platform with powerful AI tools for large-scale call centers.
At a glance
| Nextiva | Five9 | |
|---|---|---|
| Top 11 rank | #1 / Nextiva vs RingCentral vs GoTo Connect: 11 Best VoIP Business Phone Systems 2026 | #1 / Five9 vs Talkdesk vs NICE CXone: 11 Best Call Center Software Platforms 2026 |
| Score (out of 9.4) | 9.3 | 9.3 |
| Best for | Best overall for reliability and support | Enterprise AI & reliability |
| Pricing | $$ ($24 to $40/user/mo) | $$$$ ($149 to $229+/mo) |
| HQ | Scottsdale, USA | San Ramon, USA |
| Founded | 2006 | 2001 |
Nextiva
Top choice for its exceptional 99.999% uptime, comprehensive features, and highly-rated US-based customer support.
www.nextiva.comSee full entry in Nextiva vs RingCentral vs GoTo Connect: 11 Best VoIP Business Phone Systems 2026
Five9
A top-tier, reliable platform with powerful AI tools for large-scale call centers.
www.five9.comSee full entry in Five9 vs Talkdesk vs NICE CXone: 11 Best Call Center Software Platforms 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.