Retell AI vs Regal

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

Data last refreshed October 2026

Retell AI

Retell AI Inc.

AI voice agent platform for phone call centers

Paid

82% verification coverage

Regal

Build your 24/7 AI Voice Agent for enterprise contact centers.

Enterprise

71% verification coverage

Trust & Reliability

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

Regal

Uptime:99.99%Status page

Customers (per vendor):Toyota, eHealth, TaskUs +7

GDPR

SOC 2

HIPAA

Overall Winner: Retell AI

8.1/10 vs Regal at 7.3/10

Leads in:

Integration

Support

Ease of Use

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

AI Comparison Summary

Retell AI

8.1

avg score

Regal

7.3

avg score

Retell AI leads overall — particularly in Ease of Use and Support.

Regal has an edge in Planning Quality.

Based on 7 dimensions

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

Overall Winner

Retell AI

8.1 / 10

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

Regal

Best For

CX leaders facing scattered customer data and limited engagement channels

Enterprise contact centers needing to scale customer engagement

Legal teams automating client intake and case management

Healthcare providers improving patient engagement and scheduling

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

Retell AI is best for

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

Regal is best for

🎵Audio & Voice8.0💬Chat & Conversation7.5🎧Customer Support7.3

Filter by your use case:

Limitations

Retell AI

Cons

No cons listed yet.

Regal

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

Retell AI

8.1

/ 10

Your pick

Regal

7.3

/ 10

Dimension Breakdown

Ease of Use

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

Retell AI

8.0▲ +4.0

Regal

4.0

Customization

Calculated

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

Retell AI

8.0▲ +1.0

Regal

7.0

Support

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

Retell AI

9.0▲ +2.0

Regal

7.0

Integration

Calculated

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

Retell AI

10.0▲ +1.0

Regal

9.0

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

Retell AI

8.0

Regal

8.0

Performance

Calculated

Latency + throughput speed

Retell AI

8.0

Regal

8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Retell AI

6.0

Regal

8.0▲ +2.0

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

Retell AI

Task

Regal

8.0

Latency Ttft

7.0

8.0

Speech Recognition Accuracy

7.0

8.0

Voice Naturalness

9.0

8.0

Interruption Handling

8.0

Turn Taking

8.0

Context Retention

8.0

9.0

Multilingual Support

8.0

5.0

Emotion Detection

6.0

9.0

Call Routing Transfer

9.0

8.0

Crm Integration

9.0

6.0

Ticket Management

5.0

8.0

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 Retell AI and Regal?

Retell AI — "AI voice agent platform for phone call centers". Regal — "Build your 24/7 AI Voice Agent for enterprise contact centers". The Features section on this page compares them side by side.

Who is Retell AI best for compared with Regal?

Retell AI is best for Call centers automating high-volume customer interactions; and for Healthcare providers streamlining patient scheduling and inquiries. Regal is best for CX leaders facing scattered customer data and limited engagement channels; and for Enterprise contact centers needing to scale customer engagement.

How does the pricing of Retell AI compare with Regal?

Retell AI is paid. Regal is enterprise-priced (custom quote). Always verify current pricing with the vendor.

Does Retell AI or Regal have a free plan?

Retell AI lists no free plan. Regal does not list a free plan in our data. Always verify current pricing with the vendor.

Do Retell AI and Regal offer an API?

Retell AI offers a public API. Regal offers a public API.

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