Retell AI vs Inworld AI Platform

Comparing the features of Retell AI to Inworld AI Platform

Feature
Retell AI
Inworld AI Platform

Capability Features

Advanced Emotion Control (Pro+)
Agent Builder
Agent Testing
API Access
API Key Authentication
Appointment Scheduling
Auto-Sync Knowledge Base
Automatic Scalability
Millions of concurrent calls
Available to Everyone
Batch Calls
Branded Caller ID
Call History
Call Monitoring
Call Transfer Options
Cost Reduction
>95% cost reduction
Demo Characters
Hades (Game NPC)Alex (Tutor)Dennis (Therapist)Ashley (AI Friend)Mark (Call Center)
Edge Case Handling
Global Reach
Hosted, On-Premise, On-Device
HostedOn-PremiseOn-Device
Industry Compliance
SOC 2 Type 1&2HIPAAGDPR
LLM-Powered
Low Latency
500ms latency
Multi-language Support
18+ languages
Multilingual TTS Support
Multiple Deployment Channels
AI phone callsWeb callsSMSChat
Natural Language Conversations
Navigate Through IVR
No Concurrency Limits
Non-Verbal Control
Open Source
Platform Uptime
99.99% uptime
Provider-Agnostic
Realtime Pipelines
Realtime Streaming Output
Scaling Support
SOTA Multimodal AI
Templates for Realtime Pipelines
TTS Playground
Verified Phone Numbers
Visual Graph System
Voice Cloning
Voicemail Detection

Integration Features

CRM/Automation Integrations
Cal.comn8nGoHighLevelTwilioVonageOpenAI
Integrates with Any CRM
Integrates with Any Telephony
Integrates with Automation Platforms
Integrates with Databases
Integrations Information
VapiLiveKit
One API Key
Telephony Integration
TwilioVonageTelnyxPlivoRingCentral

Limitation Features

No Desktop App Mentioned
No Mentioned Self-hosting
No Public Pricing Listed
Usage Quotas
13/1000

Pricing Features

Free Tier
Has Free Tier
Pricing Compared to Competitors
>90% cheaper than competing models
Pricing Plan Details
Pricing Plans