Inworld AI Platform vs Vapi

Comparing the features of Inworld AI Platform to Vapi

Feature
Inworld AI Platform
Vapi

Capability Features

A/B Experiments
Advanced Emotion Control (Pro+)
AI Guardrails
API Access
API Configurability
4.2K+ configuration points
API Key Authentication
API-First Architecture
Automated Test Execution
Automatic Scalability
Millions of calls
Available to Everyone
Bring Your Own Models
Community Support
13000
Cost Reduction
>95% cost reduction
Custom Phone Number
Dedicated Deployment Engineer
Demo Characters
Hades (Game NPC)Alex (Tutor)Dennis (Therapist)Ashley (AI Friend)Mark (Call Center)
Documentation
Enterprise Compliance
SOC2HIPAAPCI
Hosted, On-Premise, On-Device
HostedOn-PremiseOn-Device
Inbound Calls
Multi-language Support
100+ languages
Multilingual TTS Support
No-code/Low-code Workflow
Non-Verbal Control
Open Source
Outbound Calls
Prebuilt Templates
1000s
Provider-Agnostic
Realtime Pipelines
Realtime Streaming Output
Scaling Support
SOTA Multimodal AI
Templates for Realtime Pipelines
Tool Calling
TTS Playground
Ultra-low Latency
Sub-500ms
Uptime SLA
99.99% uptime
Visual Graph System
Voice Cloning

Integration Features

Client SDK
React (web SDK)
Downloadable SDK ZIP
Github Repository
Integrations Information
VapiLiveKit
40+ apps
One API Key
OpenAI Integration
openaigpt-4o
Server SDKs
TypeScriptPythoncURL

Limitation Features

No Built-in Telephony Provider Mentioned
No Explicit Pricing Details
No Explicit Usage Quotas Listed
No File Format Support Listed
Usage Quotas
13/1000

Pricing Features

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