Echowin AI Receptionist vs OpenAI Realtime API

Comparing the features of Echowin AI Receptionist to OpenAI Realtime API

Feature
Echowin AI Receptionist
OpenAI Realtime API

Capability Features

Agentic AI
AI Receptionist 24/7
Analytics Dashboard
Answer FAQs
Appointment Booking
Auto-Crawling Websites
Auto-Learning from Knowledge Sources
WebsiteDocumentsFAQ
Auto-saving Training Editor
Automatic Interruption Handling
Automatic Lead Creation
Available 24/7
Bi-directional Data Flow
Built-in CRM
Call Recordings
Call Summary
Call Summary Key Points
3
Channels Supported
PhoneChatWhatsAppDiscord
Custom Voice and Personality
Custom Workflow Automation
Discord Support
Document Ingestion
3
Enterprise Privacy Commitment
Enterprise Ready
Enterprise-Grade Features
Expanded Model Support Planned
FAQ Ingestion
25
Five New Voices
5
Function Calling
HD Voice Quality
Human and Automated Safety Monitoring
Human-like Conversations
Information Collection
Instant Deployment
Interruption Handling
Knowledge Base Integration
Language/Country Support
English (US)SpanishChineseVietnameseKoreanFrenchRussianGermanHindiPortugueseItalianPolishJapaneseThaiDutchFlemishUkrainianGreekRomanianHungarianCzechSwedishBulgarianDanishFinnishSlovakNorwegianLithuanianLatvianEstonianCatalanMalayIndonesian
Lead Capture
Lead Qualification
Live Call Transcripts
Live Monitoring
Live Transcript
Message Taking
Multiple Concurrent Calls
Multiple Deployment Channels
PhoneWebsite ChatWhatsAppDiscord
Natural Language Training
No Training on Data Without Permission
No-Code Setup
Parallel Calls
Playground Access
Production-Ready in Minutes
Prompt Caching Planned
Public Beta
Quick Setup
Real-Time Data Access
Real-Time Emotion Tracking
Real-Time Performance Monitoring
Reference Client Available
Secure Data Handling
Sentiment Analysis
Six Preset Voices
6
Smart Calendar
Smart Call Routing
Smart Scheduling
Smart Transfers
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Text Links to Caller
Tool Integration
EmailSMSCalendarCRM
Train from Multiple Knowledge Sources
WebsiteDocumentsFAQ
Ultra-Low Latency
Unlimited Scalability
Unlimited
Voice Transcription & Playback
Website Chat Widget
WebSocket Connection
WhatsApp Messaging

Integration Features

Agora Integration
Calendar Integrations
Chat Completions API Integration
CRM Integrations
Custom Backend Support
Email Integration
Integration Count
8000
Integration Types
ZapierWebhookAPIMake.comn8n
JSON Support
LiveKit Integration
Make.com Integration
n8n Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
REST API Integration
SMS Integration
Supports GPT-4o
gpt-4o-realtime-preview
Twilio Voice API Integration
Webhooks
Zapier Supported Apps

Limitation Features

AI Disclosure Requirement
Audio Only Modality (Initially)
Lower Session Limits Tiers 1-4
Lower than 100
No Simultaneous Session Limit Anymore
Simultaneous Sessions Limit Tier 5
100
Usage Policy Restriction

Pricing Features

Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Free Tier
No Credit Card Required
No Free Tier
Pricing Audio Input
$100/1M tokens
Pricing Audio Output
$200/1M tokens
Pricing Cached Audio Input
$20/1M tokens
Pricing Cached Text Input
$2.50/1M tokens
Pricing Text Input
$5/1M tokens
Pricing Text Output
$20/1M tokens