Kaption AI vs OpenAI Realtime API

Comparing the features of Kaption AI to OpenAI Realtime API

Feature
Kaption AI
OpenAI Realtime API

Capability Features

AI Summaries
AI Technology
State-of-the-art AI
AI Transcription
Audio to Text
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Interruption Handling
Multilingual Support
No Training on Data Without Permission
Playground Access
Prompt Caching Planned
Public Beta
Reference Client Available
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Subscription Status Badge
Suggested Replies
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
User Privacy Focus
WebSocket Connection
Whatsapp Account Linking

Integration Features

Agora Integration
Chat Completions API Integration
Chrome Extension
LiveKit Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Supports GPT-4o
gpt-4o-realtime-preview
Twilio Voice API Integration
Whatsapp Web Integration

Limitation Features

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

Other Features

20,000 Installs
20000
Global Usage

Pricing Features

Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Free Tier
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
Subscription Required