Polyai vs Retell AI

Detailed side-by-side comparison to help you choose the right tool

Polyai

🟡Low Code

Voice AI

PolyAI provides AI-assisted voice ai capabilities for phone support automation.

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Starting Price

Custom
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Retell AI

🟡Low Code

Voice AI

Retell AI is an end-to-end platform for building, deploying and monitoring voice AI agents that handle phone calls at production scale.

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Starting Price

$0.07/min
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Feature Comparison

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FeaturePolyaiRetell AI
CategoryVoice AIVoice AI
Pricing Plans10 tiers76 tiers
Starting Price$0.07/min
Key Features
  • • Lifelike voice AI agents
  • • Omnichannel deployment (voice, chat, SMS)
  • • Agent Studio builder
  • • Latency-tuned conversational engine with natural turn-taking and interruption handling
  • • No-code conversation flow editor plus full SDK access
  • • Phone-number provisioning in 50+ countries with bring-your-own carrier

💡 Our Take

Choose PolyAI when you need Fortune 500-grade reliability, professional services, and proven case studies (Fogo de Chão, PG&E, UniCredit) to justify a six- or seven-figure contract. Choose Retell AI when you are building a leaner voice product, want to ship in days using their SDK, and prefer paying per-minute rather than negotiating an enterprise SOW.

Polyai - Pros & Cons

Pros

  • ✓Designed for high-volume enterprise contact centers rather than toy demos
  • ✓Omnichannel agent design reduces separate voice, chat, and SMS builds
  • ✓Published customer examples describe measurable containment and revenue outcomes
  • ✓Managed implementation can help teams without a large conversational-AI staff

Cons

  • ✗No verified self-serve plan or public price
  • ✗Sales-led implementation is a poor fit for small teams and quick experiments
  • ✗Less raw developer control than API-first voice platforms
  • ✗Value depends heavily on telephony, CRM, and knowledge-base integration quality

Retell AI - Pros & Cons

Pros

  • ✓Compliance posture (SOC 2 Type II, HIPAA, PCI) is genuinely turnkey for regulated industries.
  • ✓No-code flow editor lets ops teams own the agent without engineering tickets.
  • ✓Latency tuning is audibly better than rolling your own STT-LLM-TTS pipeline.

Cons

  • ✗Per-minute pricing can spike on unbounded outbound campaigns without budget caps.
  • ✗Knowledge base ingestion is simpler than dedicated RAG platforms.
  • ✗Deep customisation still requires the SDK and engineering work.

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🔒 Security & Compliance Comparison

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Security FeaturePolyaiRetell AI
SOC2—✅ Yes
GDPR—✅ Yes
HIPAA—✅ Yes
SSO—🏢 Enterprise
Self-Hosted—❌ No
On-Prem—❌ No
RBAC—🏢 Enterprise
Audit Log—🏢 Enterprise
Open Source—❌ No
API Key Auth—✅ Yes
Encryption at Rest—✅ Yes
Encryption in Transit—✅ Yes
Data Residency——
Data Retention—configurable
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Review PolyaiReview Retell AI