Fluents AI vs Retell AI

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

Data last refreshed October 2026

Fluents AI

Fluents.ai, Inc.

Scale voice operations without scaling headcount.

Paid

73% verification coverage

Retell AI

Retell AI Inc.

AI voice agent platform for phone call centers

Paid

82% verification coverage

Trust & Reliability

Fluents AI

Customers (per vendor):Digital Heartbeat, Premier AI Advisors, Clarion +2

GDPR

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

Overall Winner: Retell AI

8.1/10 vs Fluents AI at 6.4/10

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

Fluents AI

6.4

avg score

Retell AI

8.1

avg score

Retell AI leads overall — particularly in Ease of Use and Support and 1 more.

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

Fluents AI

Best For

Teams scaling phone work with real call volume

Businesses needing inbound call resolution and outbound programs

Operations teams managing CRM or CSV contacts

Ecommerce businesses for order taking and status

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

Fluents AI is best for

🎵Audio & Voice7.3🎧Customer Support6.3💬Chat & Conversation5.7

Retell AI is best for

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

Filter by your use case:

Limitations

Fluents AI

Cons

Pricing plans have included minutes with overage rates
Enterprise features like SSO/SAML and audit logs require custom plans
Dedicated or self-hosted setups are only available on Enterprise plans
Does not guarantee service quality, stability, uptime, or reliability unless separately agreed
Not liable for results of communications or professional advice
Does not guarantee continued availability or integration with third-party platforms

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

Fluents AI

6.4

/ 10

Retell AI

8.1

/ 10

Clear winner

Dimension Breakdown

Ease of Use

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

Fluents AI

6.0

Retell AI

8.0▲ +2.0

Customization

Calculated

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

Fluents AI

7.0

Retell AI

8.0▲ +1.0

Support

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

Fluents AI

6.0

Retell AI

9.0▲ +3.0

Integration

Calculated

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

Fluents AI

9.0

Retell AI

10.0▲ +1.0

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

Fluents AI

4.0

Retell AI

8.0▲ +4.0

Performance

Calculated

Latency + throughput speed

Fluents AI

8.0

Retell AI

8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Fluents AI

5.0

Retell AI

6.0▲ +1.0

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

Fluents AI

Task

Retell AI

6.0

Latency Ttft

8.0

6.0

Speech Recognition Accuracy

8.0

Voice Naturalness

8.0

Interruption Handling

8.0

Turn Taking

8.0

6.0

Context Retention

8.0

6.0

Multilingual Support

9.0

4.0

Emotion Detection

5.0

9.0

Call Routing Transfer

9.0

8.0

Crm Integration

8.0

5.0

Ticket Management

6.0

7.0

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 Fluents AI and Retell AI?

Fluents AI — "Scale voice operations without scaling headcount". Retell AI — "AI voice agent platform for phone call centers". The Features section on this page compares them side by side.

Who is Fluents AI best for compared with Retell AI?

Fluents AI is best for Teams scaling phone work with real call volume; and for Businesses needing inbound call resolution and outbound programs. 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 Fluents AI compare with Retell AI?

Fluents AI is paid, paid plans start at $499/month, offers a free trial. Retell AI is paid. Always verify current pricing with the vendor.

Does Fluents AI or Retell AI have a free plan?

Fluents AI lists no free plan and offers a free trial. Retell AI lists no free plan. Always verify current pricing with the vendor.

Do Fluents AI and Retell AI offer an API?

Fluents AI offers a public API. Retell AI offers a public API.

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