Cresta vs Five9
Cresta is an intelligence overlay; Five9 is a full-stack ccaas. They solve different jobs, and many teams end up needing one, not both — here's how to tell which is yours.
| CrestaIntelligence overlay | Five9Full-stack CCaaS | |
|---|---|---|
| Type | Intelligence overlay | Full-stack CCaaS |
| Best-for size | mid, enterprise, multinational | mid, enterprise |
| Native telephony | ✗ No — layers on top | ✓ Yes |
| Pricing model | custom quote | per seat |
| Deploy time | 8-16 weeks | — |
| Integrations | genesys, nice cxone, five9, talkdesk | salesforce, servicenow, zendesk, microsoft dynamics |
| Certifications | ISO/IEC 42001 (first CX AI provider), SOC 2 Type II, HIPAA, GDPR, PCI-DSS, TISAX | SOC 2, HIPAA, PCI-DSS |
| G2 rating | 4.2 / 5 | 4.2 / 5 |
| Key strength | Real-time agent assist (<200ms) on custom models trained on your top performers | Best-in-class predictive dialer (outbound) |
Time to value
Weeks from kickoff to measurable impact — lower is faster, and a major reason overlays win short-term.
How each deploys & integrates
Cresta layers onto your existing CCaaS via streamed transcripts / CTI — no telephony swap, no customer data copied out, typically live in 8-16 weeks. It integrates with Genesys, Nice Cxone, Five9, Talkdesk.
Five9 is a full platform you operate end to end. It integrates with Salesforce, Servicenow, Zendesk, Microsoft Dynamics.
Pricing & total cost
Cresta: custom quote.
Five9: per seat (from ~$149/seat/mo — real deals run 20–40% below list at 100+ seats).
List prices rarely match real deals — expect 20–40% off at scale, and weigh services/implementation, not just licence.
Who should choose Cresta
Cresta fits mid, enterprise, multinational contact centres, especially in financial services, insurance, healthcare, telecom. Its edge:
- Real-time agent assist (<200ms) on custom models trained on your top performers
- 100% automated QA
- Unified assist + QA + AI Agent + analytics on one data/model layer (Opera)
- Agent Operations Center for human+AI workforce
Who should choose Five9
Five9 fits mid, enterprise contact centres, especially in financial services, healthcare, retail, bpo. Its edge:
- Best-in-class predictive dialer (outbound)
- Deep WEM
- Proven reliability at scale
- Open framework to layer specialist AI on top
The honest take
No tool wins every row. Where each gives ground:
Cresta
- No native telephony/routing (layers on top)
- Enterprise pricing; not for small business
- Longer deploy than specialist point tools
Five9
- Native AI solid but not top-tier differentiated
- Higher entry price
- Cloud-only (no on-prem)
If you're keeping your platform and want AI on top, Cresta (the overlay) is the lower-risk move; choose the other only if you're genuinely re-platforming.
Go deeper
Frequently asked
Is Cresta or Five9 better for enterprise contact centres?
Cresta is a intelligence overlay best suited to mid, enterprise, multinational teams; Five9 is a full-stack ccaas suited to mid, enterprise. The right pick depends on whether you're adding intelligence to an existing platform or replacing the platform itself.
Do Cresta and Five9 replace my CCaaS platform?
Cresta layers on top of your existing CCaaS — no rip-and-replace. Five9 is a full platform.
How long do Cresta and Five9 take to deploy?
Cresta typically goes live in 8-16 weeks; Five9 in several weeks. Overlays are usually live in weeks, versus the 6–12 months a full platform migration can take.
How much do Cresta and Five9 cost?
Cresta: custom quote. Five9: per seat (from ~$149/seat/mo — real deals run 20–40% below list at 100+ seats). Confirm current pricing directly, as vendors update tiers frequently.
Not sure which you actually need?
Run the free Stack Audit — six questions produce a verdict (new platform, overlay, or autonomous) and route you to a low-risk next step for your size.