Hiya AI Voice Platform vs OpenAI Realtime API

Comparing the features of Hiya AI Voice Platform to OpenAI Realtime API

Feature
Hiya AI Voice Platform
OpenAI Realtime API

Capability Features

Automated Call Summarization
Automated Calling (Beta)
Automatic Transcription
Available 24/7
Branded Caller ID
Business Number Registration Free
Caller Reputation Management
Caller Reputation Report Card
Effortless Note Taking
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Global Coverage
40
Human and Automated Safety Monitoring
Intelligent Call Screening
Interruption Handling
Lead Qualification
No Code Setup
No Training on Data Without Permission
Number Registration
Playground Access
Prompt Caching Planned
Public Beta
Reference Client Available
Scam Protection
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Synthetic Voice Detection
Ultra Low Latency
WebSocket Connection

Integration Features

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

Limitation Features

AI Disclosure Requirement
Audio Only Modality (Initially)
Automated Calling Beta Limitation
Integration Details Not Listed
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 Account Creation
Free Call Inspection
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 Information
Pricing Text Input
$5/1M tokens
Pricing Text Output
$20/1M tokens