PolyAI vs Retell AI

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

PolyAI

PolyAI Ltd.

The Agentic Dialog Platform for enterprise voice AI.

Paid

81% verification coverage

Retell AI

Retell AI Inc.

AI voice agent platform for phone call centers

Paid

82% verification coverage

Trust & Reliability

PolyAI

Customers (per vendor):AdaptHealth, Carter's, PG&E +7

GDPR

SOC 2

HIPAA

Retell AI

Uptime:99.97% (30-day)Status page

Users:1K-10K

Customers (per vendor):Pine Park Health, SWTCH, Medical Data Systems +5

GDPR

SOC 2

HIPAA

Too Close to Call

Retell AI (8.1) vs PolyAI (7.7) — difference of 0.4 points

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

PolyAI

7.7

avg score

Retell AI

8.1

avg score

Both tools score very similarly overall — the best choice depends on your specific priorities.

Based on 7 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Too close to call — it's a tie

PolyAI

Best For

Enterprises seeking to automate complex customer service conversations

Organizations in consumer services, financial services, healthcare, and retail

Companies needing to scale customer service without increasing human agent hiring

Businesses requiring secure and compliant voice AI solutions

Retell AI

Best For

Call centers automating high-volume customer interactions

Healthcare providers streamlining patient scheduling and inquiries

Financial services firms enhancing customer support and lead qualification

Logistics companies managing dispatch services and customer communication

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

PolyAI is best for

🤖Automation & Agents9.0🎵Audio & Voice9.0✍️Writing & Content8.0

Retell AI is best for

🎵Audio & Voice8.3🎧Customer Support7.7✍️Writing & Content7.5

Filter by your use case:

Limitations

PolyAI

Cons

Pricing is not publicly available and requires contacting sales
No explicit mention of a free trial for the core service, only a 'Try free' button leading to a building studio

Retell AI

Cons

No cons listed yet.

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

PolyAI

7.7

/ 10

Retell AI

8.1

/ 10

Your pick

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

PolyAI

6.0

Retell AI

8.0▲ +2.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

PolyAI

8.0

Retell AI

8.0

Support

How strong is the documentation, customer support, community, and learning resources?

PolyAI

8.0

Retell AI

9.0▲ +1.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

PolyAI

10.0

Retell AI

10.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

PolyAI

8.0

Retell AI

8.0

Performance

Calculated

Latency + throughput speed

PolyAI

8.0

Retell AI

8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

PolyAI

6.0

Retell AI

6.0

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

PolyAI

Task

Retell AI

9.0

Latency Ttft

8.0

9.0

Speech Recognition Accuracy

8.0

9.0

Voice Naturalness

8.0

9.0

Interruption Handling

8.0

9.0

Turn Taking

8.0

Context Retention

8.0

9.0

Multilingual Support

9.0

7.0

Emotion Detection

5.0

9.0

Call Routing Transfer

9.0

8.0

Crm Integration

8.0

4.0

Ticket Management

6.0

9.0

Auto Resolution

8.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between PolyAI and Retell AI?

PolyAI — "The Agentic Dialog Platform for enterprise voice AI". Retell AI — "AI voice agent platform for phone call centers". The Features section on this page compares them side by side.

Who is PolyAI best for compared with Retell AI?

PolyAI is best for Enterprises seeking to automate complex customer service conversations; and for Organizations in consumer services, financial services, healthcare, and retail. Retell AI is best for Call centers automating high-volume customer interactions; and for Healthcare providers streamlining patient scheduling and inquiries.

How does the pricing of PolyAI compare with Retell AI?

PolyAI is paid. Retell AI is paid. Always verify current pricing with the vendor.

Does PolyAI or Retell AI have a free plan?

PolyAI lists no free plan. Retell AI lists no free plan. Always verify current pricing with the vendor.

Do PolyAI and Retell AI offer an API?

PolyAI offers a public API. Retell AI offers a public API.

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