PolyAI vs Vapi: Which Is Better for Your Team in 2026?
PolyAI and Vapi are both used for ai voice agents. Below we compare them on pricing, AI capabilities, compliance, and the use cases each one fits best — all from verified vendor data.
Choose PolyAI if…
- Global enterprises with contact centers handling 500K+ calls/year in multiple languages
- Hospitality, healthcare, and financial services teams needing omnichannel AI with compliance coverage
- Organizations where per-interaction ROI justification is more important than low entry cost
Choose Vapi if…
- Engineering teams that want total control over LLM, voice, and telephony stack
- Startups building voice AI products on top of Vapi's infrastructure layer
- Regulated-industry deployments (healthcare, finserv) needing HIPAA + SOC 2 + BAA
- High-customization use cases: custom LLM fine-tunes, proprietary TTS voices
PolyAI vs Vapi: feature comparison
| Feature | PolyAI | Vapi |
|---|---|---|
| At a glance | ||
| Category | AI voice agent platform | AI voice agent platform |
| Best fit | Enterprise | Smb, Mid market, Enterprise |
| Deployment | Cloud | Cloud, Private cloud |
| Channels | Voice, Web chat, SMS | Voice, SMS |
| Pricing & ratings | ||
| Starting price | Contact sales | From $0.05/min |
| Free trial | No | No |
| User rating | 5/5 (4 G2 reviews) | — |
| AI capabilities | ||
| Autonomous voice agent | Yes | Yes |
| Real-time agent assist | No | No |
| Conversation intelligence | Yes | No |
| Automated QA | No | No |
| Intelligent routing | Yes | Yes |
| Compliance | ||
| SOC 2 Type II | Yes | Yes |
| HIPAA | Yes | Yes |
| PCI DSS | Yes | Yes |
| GDPR | Yes | Yes |
PolyAI vs Vapi: frequently asked questions
- What is the difference between PolyAI and Vapi?
- Cambridge-founded enterprise voice AI platform. Handles millions of calls for Marriott, PG&E, and UniCredit. Enterprise-only — no self-serve, contracts start at $150K+. By contrast, Maximum configurability for engineers: BYO everything, 9+ LLM providers, 10+ TTS providers. The tradeoff is real — non-engineers will hit a wall fast.