LiveKit Agent Platform vs OpenAI Realtime API

Comparing the features of LiveKit Agent Platform to OpenAI Realtime API

Feature
LiveKit Agent Platform
OpenAI Realtime API

Capability Features

Agent Server
Automatic Turn Detection
Concurrent Calls Supported
Millions
Developer Community Size
1000
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
GDPR Compliance
Global Edge Network
Global Latency
1000ms
Global Regions
AustraliaBrazilFranceGermanyIndiaIndia 2IsraelJapanSaudi ArabiaSingaporeSouth AfricaSwitzerlandUAEUKUS CentralUS EastUS West
High Annual Call Volume
2500000000
HIPAA Compliance
Human and Automated Safety Monitoring
Interruption Handling
Large Language Models
LiveKit Cloud Deployment
Media Server
No Training on Data Without Permission
Noise Cancellation
Open Source Framework
Playground Access
Production Ready
Prompt Caching Planned
Public Beta
Quick Voice Agent Build
< 10 minutes
Quickstart Templates
Voice AI quickstartVoice agent starter appsIntegrate with telephony
Reference Client Available
Self-hosting Option
Semantic Turn Detection
Six Preset Voices
6
SOC 2 Type 2 Compliance
Speech-to-Speech
Speech-to-Text
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Text to Speech
Ultra Low Latency
Unified Export Interface
Voice AI Features
WebSocket Connection

Integration Features

Agora Integration
Chat Completions API Integration
Deepgram Integration
HTTP API
LiveKit Integration
Node.js SDK
OpenAI Model Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Python SDK
Railway Integration
Supports GPT-4o
gpt-4o-realtime-preview
Telephony System Integration
Twilio Integration
Twilio Voice API Integration
WebRTC Support
WebSocket API

Limitation Features

1% Uptime
1.00% Uptime
AI Disclosure Requirement
Audio Only Modality (Initially)
Lower Session Limits Tiers 1-4
Lower than 100
No File Format Support Listed
No Low-Code/No-Code Builder
No Pricing Details Listed
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
Custom Pricing
Free Monthly Minutes
1000
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