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“The previous IVR handled about 5% of calls. After releasing the AI Voice Agent, it is now handling over 30% of calls.”
Josh Andrews
COO at Spare
See why Retell
AI Stands Above
its Alternatives
Retell AI offers high-quality voice automation with a focus on natural speech, accuracy, and seamless integration. We’ve compared it with top platforms to help you choose the best solution.
Comparison
Side-by-Side
Comparison
A Detailed Comparison to Help You Choose the Best AI Voice Solution: Retell AI vs. Leading Competitors
Features
LLM Model & Intelligence
Custom LLM
Custom Telephony
Warm Transfer
Multilingual
User Experience
Preset Functions
Branded Call
Voice & Audio Quality
Post Call Analysis
Simulation Testing
Batch Calling
Latency
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Ease of use
Excellent
Sub-second
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Low intelligence
Enterprise-only
Poor
Fine
Sub-second
Supported with cost for API
Limited
Must Know Code
Varies by upgrades
Sub-second
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Limited
Generic
Sub-second
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Restricted to Twilio
Fine
Sub-second
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Enterprise-only
Generic
Limited
Excellent
Sub-second
Generic
Fine
Sub-second
Features
Compliance
Rate Limit
Uptime to Date
HIPAA, SOC2Type
1&2,GDPR
1&2,GDPR
Not Limit
99.99%
Only support HIPAA &
SOC2 for enterprise
SOC2 for enterprise
1000/day for lower plan
99.97%
HIPAA compliant, SOC2,GDPR
No Limit
99.94%
HIPAA, SOC2 Type 1&2, GDPR
HIPAA compliant, SOC2,GDPR
Unknown
SOC 2
20-60 req/min based on API
Unknown
HIPAA compliant, SOC2,GDPR
No Limit
99.99%
HIPAA
Unknown
Unknown
Features
Compliance
Rate Limit
Uptime to Date
Rate Limit
$0.07/min
$2.00/month
Included
Branded Calls
Verified Phone Number
Verified Phone Number
$0.09/min
$15.00/month
-
-
$0.05/min + $0.066 fee (varies)
Variable Price
$0.01/minute
Voice Quality Upgrades
$0.18-$0.22/min + $0.13/min over limit
Included
Included
Unsupported
$0.18/minute
Unknown
Included
-
$0.08/ minute
Variable Price
No Limit
99.99%
$0.09/minute
Included
Included
-
How Retell AI Outperforms the Competition
Testimonials
Hear from Our Customers
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“RetellAl is powering our Cal.ai phone voice scheduling and we're more than excited to be partnering up. Their team ships fast and their voice agent is the best in the market.”
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Peer Richelsen
Cofounder at Cal.com
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“Retell AI is an incredibly user-friendly and flexible solution for building AI-driven communication channels over the phone. As a result, we've reduced human support calls by 82%.”
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Igor Shtelmakh
Chief of AI at Respaid
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“We wanted to non-linearly scale our sales calling efforts and decided to use Retell. We made over half a million calls in a short span of time with nearly no engineering bandwidth used. Truly remarkable product!”
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Arjun Venugopal
Lead Product Manager at Clear
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“In terms of outcomes, we've achieved a 20% conversion to lead in a user segment we previously found challenging and didn't expect any conversions from, so we weren't reaching out to them before. We're delighted with the results, which have exceeded our initial expectations by five times.”
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Alba Sánchez
Al Product Lead at RxLongevity
With Retell, we’ve increased scheduling NPS by 38%, and filled underutilized provider capacity, allowing our team to focus on meaningful patient care instead of phone tag.
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Lucas answers calls in seconds, handles urgent EV support at scale, cuts support costs by over 50%, and significantly improves our SaaS margins.
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