3CXEnterprise phone system with integrated AI at an unbeatable price
vs
ZendeskAI-powered customer service platform
Comparison · Contact Center · weekly run Nov 3
3CX vs Zendesk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Zendesk is the stronger AI pick in Contact Center: it has a visibility score of 19.7 versus 0.4 for 3CX, and ranks ahead in 0% of the answers that name both.
Choose 3CX if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- Flat tiers pricing suits your budget better than per seat
- affordable phone system with contact center features
Choose Zendesk if…
- You want the brand AI engines rank higher (19.7 vs 0.4)
- You want a lower entry price ($19 vs $300)
- AI answers describe it more positively (34% vs 12% positive)
- You need SOC 2 Type II or ISO 27001:2022 or ISO 27018:2019 or ISO 27701:2019 or ISO 27017:2015 or ISO 42001:2023 or FedRAMP LI-SaaS or Cyber Essentials Plus coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | 3CX | Zendesk |
|---|---|---|
| Visibility score | 0.4% | 19.7% |
| Change vs last week | down−0.6% | up+1.9% |
| Rank in Contact Center | #39 | #6 |
| Share of voice | 0.2% | 5.3% |
| Mentions this run | 1 | 31 |
| Positive in AI answers | 12% | 34% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
3CX −0.7000000000000001pp · Zendesk +1.8999999999999986pp over 1 weekly runs.
Engine by engine
Zendesk leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
3CXZendesk
Head to head in AI answers
2 engine answers name both brands
23CX ranked higher
0Zendesk ranked higher
| Prompt | Engine | 3CX | Zendesk |
|---|---|---|---|
| Is 3CX a good contact center platform? | ChatGPT | #1 | #4 |
| Is 3CX a good contact center platform? | Perplexity | #1 | #6 |
Features, pricing & fit
| Dimension | 3CX | Zendesk |
|---|---|---|
| Pricing model | Flat tiers | Per seat |
| Entry price | Free; paid from $300 / mo | $19 per seat / mo |
| Free plan | Yes | No |
| Deployment | Hosted by 3CX, on-premise, or self-hosted in your own private cloud | Cloud (SaaS) |
| Integrations | — | 1800+ |
| Compliance | — | SOC 2 Type II, ISO 27001:2022, ISO 27018:2019, ISO 27701:2019, ISO 27017:2015, ISO 42001:2023, FedRAMP LI-SaaS, Cyber Essentials Plus |
| Support | Free tech support questions via the website, Help forum, Partner network | Help Center, Community, Partners |
| Founded | 2005 | 2007 |
| Headquarters | Nicosia, Cyprus | San Francisco, California, United States |
| Employees | 51–200 | 5,000+ |
| Funding | Latest round listed as Other Investors | Take-private (Hellman & Friedman, Permira) |
| Best for | Companies with 25+ users that want a self-managed phone system with integrated AI | Support teams from startups to enterprises that need omnichannel ticketing with AI automation |
Plans side by side
3CX
Free (StartUP)$0year, up to 10 users incl. hosting
Basic$300year (8 simultaneous calls; scales with SC tier)
Pro$395year (8 simultaneous calls; scales with SC tier)
AI$575year (8 simultaneous calls; scales with SC tier)
Zendesk
Support Team$19agent/month paid yearly
Suite Team$55agent/month paid yearly
Suite Professional$115agent/month paid yearly
Suite Enterprise + CopilotCustomcontact sales
Pros and cons
Themes from the AI answers that mention each brand
3CX
- affordable phone system with contact center features
- free edition for up to 10 users
- cost control and deployment flexibility
- good fit for small and midsize businesses
- core omnichannel communications such as live chat and call routing
- suitability depends on business size, budget and IT resources
- may not suit needs for a dedicated enterprise omnichannel contact center
Zendesk
- Industry leader in omnichannel customer support
- Scalable platform for large enterprise teams
- Mature ticketing operations and SLA management
- Extensive marketplace and broad integrations
- Free trial available for 14 days
- Heavy, slow deployment compared with lighter tools
- High per-agent costs
- AI add-ons billed separately on top of base fee
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “3CX vs Zendesk”, https://slateindex.ai/compare/3cx-vs-zendesk, data of Nov 3, 2026. Licence: CC BY 4.0.