vioscale
Comparison

PolyAI vs Retell AI

On the evidence we track, Retell AI leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

PolyAI full profile →Retell AI full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
PolyAI47
★Retell AI78
Score
Vioscale score
PolyAI47 / 100medium · 60%
Retell AI78 / 100medium · 54%
Pricing
Free tier
PolyAI✗
Retell AI✓
Model
PolyAIcommercial
Retell AIfreemium
Price level
PolyAIunknown
Retell AIlow
Starting price
PolyAI–
Retell AI$2
Transparent
PolyAI✗
Retell AI✓
Integrations
Count
PolyAI1
Retell AI35
Security
Gdpr
PolyAI✓
Retell AI✓
Hipaa
PolyAI✓
Retell AI✓
Iso27001
PolyAI✓
Retell AI–
Pci
PolyAI✓
Retell AI–
Soc2
PolyAI✓
Retell AI✓
Reliability
Sla pct
PolyAI99.9
Retell AI–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for voice ai agents. “-” means undocumented, not absent.

Capabilities
Deployment model
PolyAINo code saas platform
Retell AINo code saas platform
Sub second latency and interruption barget in handling
PolyAI✓
Retell AI✗
Dynamic mid call API function execution
PolyAI✓
Retell AI✓
Live human handoff and call transfer logic
PolyAI✓
Retell AI✓
Emotion prosody and custom voice cloning
PolyAI✓
Retell AI✓
Inbound reception and ivr routing replacement
PolyAI✓
Retell AI✓
Outbound dialing and campaign management
PolyAI-
Retell AI✓
Post call transcription and CRM sync
PolyAI✓
Retell AI✓
Voicemail detection and answering machine drops
PolyAI-
Retell AI✓
Twilio vonage bring your own carrier byoc support
PolyAI-
Retell AI✓
SOC2 type ii
PolyAI✓
Retell AI✓
HIPAA compliance for medical appointment setting
PolyAI✓
Retell AI✓
Pricing model
PolyAI-
Retell AIPer minute usage based

What each one is

The product in its own terms, so the numbers below have context.

PolyAI

A cloud-based platform that enables organizations to build, deploy, and manage conversational voice AI agents for customer interactions. Provides both visual no-code builder and developer SDK options, with built-in compliance, security, and integration capabilities.

Independently observed

Retell AI

Leader

An AI voice platform that handles phone calls autonomously, managing appointment booking, order status checks, lead qualification, and customer service interactions. It integrates with existing CRM systems and telephony infrastructure to maintain customer context and automatically log outcomes.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

PolyAI

Usage-based

Per-minute usage pricing; custom quotes required

as of verify ↗

Retell AI

Leader
from $2/moUsage-basedFree tier

From $0.07–$0.31/minute for AI voice agents. $10 free credit. Enterprise plans available with HIPAA and SOC2 Type II compliance.

  • Pay-as-you-go$0.07–$0.31/minute for AI voice agents; $0.002+/message for chat agents. $10 free credit on signup.
    • Voice agents for inbound/outbound calls
    • Call transfer and routing
    • CRM integration (Salesforce, HubSpot)
    • Post-call transcription and logging
    • Custom LLM models
    • +4 more
  • EnterpriseContact sales
    • HIPAA/BAA compliance
    • Single Sign-On (SSO)
    • Custom MSA agreement
    • Custom Data Processing Agreement (DPA)
    • Dedicated concurrency allocation
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
PolyAI✓
Retell AI✓
iOS
PolyAI✗
Retell AI✓
Android
PolyAI✗
Retell AI✓
CLI
PolyAI✓
Retell AI✓
Deployment
Cloud / SaaS
PolyAI✓
Retell AI✓
Self-hosted
PolyAI✓
Retell AI✗
On-premise
PolyAI✓
Retell AI✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

PolyAI

1 total
  • ModMed
Independently observed

Retell AI

Leader
34 total
  • Twilio
  • Vonage
  • Telnyx
  • Salesforce
  • HubSpot
  • Zoho CRM
  • Zapier
  • n8n
  • Make
  • viaSocket
  • Zendesk
  • Talkdesk
  • RingCentral
  • ServiceTitan
  • Nice
  • Workable
  • Go High Level
  • OpenDental
  • Slack
  • Monday.com
  • Smartsheets
  • Shopify
  • Stripe
  • Xero
  • +10 more
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.