vioscaleAI
Comparison

PolyAI vs Retell AI

On the evidence we track, Retell AI leads this comparison with a composite score of 79/100. 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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
PolyAI62
★Retell AI79
Score
vioscaleAI score
PolyAI62 / 100medium · 62%
Retell AI79 / 100medium · 72%
Pricing
Free tier
PolyAI✗
Retell AI✓
Model
PolyAIcommercial
Retell AIfreemium
Price level
PolyAIunknown
Retell AIlow
Starting price
PolyAI–
Retell AI$0.00
Transparent
PolyAI✗
Retell AI✓
Integrations
Count
PolyAI130
Retell AI1,000
Security
Certifications
Gdpr
PolyAI✓
Retell AI✓
Hipaa
PolyAI✓
Retell AI✓
Iso27001
PolyAI✓
Retell AI✓
Pci
PolyAI✓
Retell AI–
Soc2
PolyAI✓
Retell AI✓
Trust center
PolyAIhttps://poly.ai/security
Retell AI–
Reliability
Sla pct
PolyAI99.9
Retell AI99.9
Market
Availability
Content
Faq
PolyAI6 items
Retell AI7 items

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
PolyAIPer minute usage based
Retell AIPer minute usage based

What each one is

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

PolyAI

An enterprise platform for designing, building, and running AI voice agents that handle customer conversations across multiple channels including voice, SMS, and chat, with pre-built integrations and low-latency dialog models.

Independently observed

Retell AI

Leader

A cloud-based platform that deploys conversational AI agents to handle inbound and outbound phone calls, including lead qualification, appointment booking, call routing, and CRM integration.

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

Usage-based pricing per minute of voice agent usage

  • Usage-basedContact sales
    • 24/7 support with web ticket portal and emergency phone line
    • 99.9% SLA uptime guarantee
    • 24/7 data infrastructure with load balancing
    • Regular audits and third-party penetration testing
    • Latest system features and upgrades
    • +1 more
as of verify ↗

Retell AI

Leader
from $0.00/messageUsage-basedFree tier

From $0.07/min usage-based pricing. Free tier with $10 credits.

  • Pay-as-you-go$0.07–$0.31/min for voice agents; $0.002+/msg for chat agents
    • 20 concurrent calls included
    • Full platform access
    • Drag-and-drop agent builder
    • Call transfers and routing
    • CRM integration
    • +1 more
  • EnterpriseContact sales
    • Unlimited concurrent calls
    • HIPAA/BAA compliance
    • SSO
    • Custom MSA
    • Custom DPA
    • +3 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✓
CLI
PolyAI✓
Retell AI✗
Deployment
Cloud / SaaS
PolyAI✓
Retell AI✓

Integrations

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

In common (5)
  • Stripe
  • NICE
  • Salesforce
  • Twilio
  • Zendesk

PolyAI

13 total - 8 not shared
  • ModMed
  • Epic
  • OpenTable
  • GitHub
  • Amazon Web Services
  • Five9
  • Verizon Business
  • GoTo
Independently observed

Retell AI

Leader
48 total - 43 not shared
  • Vonage
  • Telnyx
  • HubSpot
  • Zoho CRM
  • Zapier
  • n8n
  • Make
  • viaSocket
  • Talkdesk
  • RingCentral
  • ServiceTitan
  • Workable
  • Go High Level
  • OpenDental
  • Slack
  • Monday.com
  • Smartsheets
  • Shopify
  • Xero
  • Supabase
  • Webflow
  • WhatsApp
  • ElevenLabs
  • Minimax
  • +19 more
Independently observed
Still deciding?

PolyAI or Retell AI: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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