Retell AI vs Synthflow AI Voice Agent Platform

Comparing the features of Retell AI to Synthflow AI Voice Agent Platform

Feature
Retell AI
Synthflow AI Voice Agent Platform

Capability Features

Agent Builder
Agent Testing
API Access
Appointment Scheduling
Auto-Sync Knowledge Base
Automatic Scalability
Millions of concurrent calls
Available 24/7
Batch Calls
Branded Caller ID
Call History
Call Monitoring
Call Transfer Options
Consistent Quality
Create Custom Actions
Create Tickets
Custom Workflow Automation
Data Managed In-House
Edge Case Handling
GDPR Compliance
Global Reach
HIPAA Compliance
Human Agent Escalation
Human-like Voices
Industry Compliance
SOC 2 Type 1&2HIPAAGDPR
SOC2HIPAAGDPRPCI DSS
Industry Templates
Real EstateE-CommerceHealthcareBankingCustomer SupportCall CentersAppointment SchedulingEducationSalesRecruitment
Integrated Help Center
IVR Capability
Knowledgebase Integration
Launch Time
under 21 days
LLM-Powered
Low Latency
500ms latency
Multi-language Support
18+ languages
Multilingual Agents
Multiple Deployment Channels
AI phone callsWeb callsSMSChat
Natural Language Conversations
Natural Language Understanding
Navigate Through IVR
No Code Required
No Concurrency Limits
No Engineering Required
No-Code Call Flow Design
Payment Processing
PCI DSS Certification
Penetration and Unit Testing
Personalized Interactions
Platform Uptime
99.99% uptime
Prebuilt Agent Templates
Real-time Appointment Booking
Send SMS
Send Test Calls
SOC 2 Compliance
Strict Guardrails (No Hallucinations)
Sub-500ms Latency
<500ms
Track Orders
Upload Files
Uptime Guarantee
99.9%
Verified Phone Numbers
Voicemail Detection
Warm Transfer
Web Content Import

Integration Features

200+ Integrations Supported
200
API Integrations
Calendar Integrations
CRM Integration
SalesforceHubSpotZendesk
CRM/Automation Integrations
Cal.comn8nGoHighLevelTwilioVonageOpenAI
Helpdesk Integrations
FreshdeskServiceNowJira
Integrates with Any CRM
Integrates with Any Telephony
Integrates with Automation Platforms
Integrates with Databases
Telephony Integration
TwilioVonageTelnyxPlivoRingCentral
Telephony Integrations
GenesysTwilioAvayaFive9RingCentralNICE
Telephony via SIP Trunking
Webhook Integration
Zapier Supported Apps

Limitation Features

Demo Limitation
Demo is simplified; full editing requires platform access
No Desktop App Mentioned
No Mentioned Self-hosting
No Public Pricing Listed

Pricing Features

Free Tier
Free Trial Package
No Add-Ons or Surprise Fees
Pay Per Minute Pricing
$0.08/min
Pricing Plan Details