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PolyAI vs Retell AI
What each vendor publishes about price, minutes, compliance and integrations, side by side. Checked Oct 26, 2026. We have not tested either product; every fact links back to its source on the vendor page.
The differences in short
- Retell AI publishes a monthly price (Free); PolyAI does not.
- They name no industry in common.
- Retell AI states hipaa; PolyAI does not say so on the pages we checked.
- PolyAI states after-hours / 24/7; Retell AI does not say so on the pages we checked.
- Retell AI states appointment booking; PolyAI does not say so on the pages we checked.
- BAA: Retell AI say they sign one.
Side by side
| Fact | PolyAI | Retell AI |
|---|---|---|
| Type | Enterprise voice AI | Voice agent platform |
| Starts at | Quote | Free |
| Billing model | Quote only | Pay as you go |
| Per-minute rate | Not published | $0.07 |
| Price per call | Not published | Not published |
| Included on entry plan | Not published | Not published |
| Overage | Not published | Not published |
| Free plan / trial | Not stated | $10 free credits |
| HIPAA | Not stated | BAA available |
| Languages | Not published | Not published |
| Human backup | Transfers to your team | Transfers to your team |
| Spanish / bilingual | Not stated | Not stated |
| After-hours / 24/7 | Yes (vendor states it) | Not stated |
| Appointment booking | Not stated | Yes (vendor states it) |
| CRM integration | Not stated | Not stated |
| Build style | Developer / API | No-code and API |
| Telephony included | Not published | Yes |
| Bring your own carrier / SIP | Yes | Yes |
| Choice of LLM | Not published | Yes |
| Choice of voice provider | Not published | Yes |
| Latency (vendor claim) | <300ms (vendor figure; ~280–600ms cascade) | ~600ms |
| Concurrency | 10,000 concurrent | 20 free concurrent calls; no cap on Enterprise |
| Outbound calling | Not published | Yes |
| White label | Not published | Not published |
| Contact-center integrations | Not published | Not published |
| Integrations | Not published | API, Call transfer, Appointment booking |
| Industries named | Hotels, Restaurants, Medical practices | General small business |
| Contract | Not published | Not published |
| Checked | Oct 26, 2026 | Oct 26, 2026 |
| Website | Visit | Visit |
Summaries
PolyAI: Enterprise voice AI platform for customer service calls in healthcare, hotels and restaurants.
Retell AI: Pay-as-you-go voice agent platform for developers; component pricing for infra, voices, LLM and telephony.
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Sources: PolyAI listing and Retell AI listing, each with the vendor URLs we read. Spotted an error? Send a correction.