Avaya vs Nextiva
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Nextiva is the stronger AI pick in Contact Center: it has a visibility score of 15.7 versus 3.2 for Avaya, and ranks ahead in 0% of the answers that name both.
Choose Avaya if…
- You need a self-hosted or on-premises option
- You need PCI or ISO 27001 or ISO 27017 or ISO 27018 or FedRAMP Moderate or DoD IL4 High coverage
- You prefer a larger, established vendor (5,000+ employees)
- Market leader in on-premises contact centers
Choose Nextiva if…
- You want the brand AI engines rank higher (15.7 vs 3.2)
- AI answers describe it more positively (40% vs 20% positive)
- You need ISO/IEC 27001 or PCI DSS coverage
- Unified communications plus contact center in one platform
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Avaya | Nextiva |
|---|---|---|
| Visibility score | 3.2% | 15.7% |
| Change vs last week | up+1.2% | up+1.6% |
| Rank in Contact Center | #25 | #9 |
| Share of voice | 1% | 4.5% |
| Mentions this run | 6 | 28 |
| Positive in AI answers | 20% | 40% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Avaya +1.2000000000000002pp · Nextiva +1.5999999999999996pp over 1 weekly runs.
Engine by engine
Nextiva leads on 3 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | Avaya | Nextiva |
|---|---|---|---|
| Alternatives to the most popular contact center platform | ChatGPT | #10 | #11 |
| Official website of the top contact center platform vendors | ChatGPT | #16 | #21 |
Features, pricing & fit
| Dimension | Avaya | Nextiva |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | $15 per seat / mo |
| Free plan | — | No |
| Deployment | Cloud, hybrid or on-premises | Cloud |
| Integrations | — | 36+ |
| Compliance | PCI, HIPAA, SOC 2, ISO 27001, ISO 27017, ISO 27018, FedRAMP Moderate, DoD IL4 High | SOC 2, ISO/IEC 27001, HIPAA, PCI DSS |
| Support | — | 24/7 phone support, 24/7 chat support, 24/7 email support, Help Center |
| Founded | 2000 | 2008 |
| Headquarters | Morristown, New Jersey, USA | Scottsdale, Arizona, USA |
| Employees | 5,000+ | 1,001–5,000 |
| Funding | Chapter 11 emergence, owned by former creditors | First external funding round (Goldman Sachs Asset Management) · $200M raised |
| Best for | Large enterprises and government agencies | Businesses from startups to enterprises that want phone service, contact center and AI customer conversations in one platform. |
Plans side by side
Avaya
Pricing not available.
Nextiva
Pros and cons
Themes from the AI answers that mention each brand
Avaya
- Market leader in on-premises contact centers
- 36.3% of global revenue in 2025 for traditional contact centers
- Still a major player in traditional contact centers
Nextiva
- Unified communications plus contact center in one platform
- Strong uptime reliability (99.999% framework)
- Affordable plans for small and midsize teams
- High customer ratings in comparisons
- Omnichannel features that scale for startups
- Introductory annual prices may revert to higher list pricing at renewal
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Avaya vs Nextiva”, https://slateindex.ai/compare/avaya-vs-nextiva, data of Nov 3, 2026. Licence: CC BY 4.0.