OpenAI Realtime API vs PreCallAI

Comparing the features of OpenAI Realtime API to PreCallAI

Feature
OpenAI Realtime API
PreCallAI

Capability Features

AI Voice Sales Automation
Appointment Scheduling
Customer Support Automation
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Generative AI Technology
Human and Automated Safety Monitoring
Interruption Handling
Lead Qualification
No Training on Data Without Permission
Payment Collection
Playground Access
Prompt Caching Planned
Public Beta
Reference Client Available
Sales Follow-Up Automation
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
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)
Lower Session Limits Tiers 1-4
Lower than 100
No Credit Card Required
No Simultaneous Session Limit Anymore
Simultaneous Sessions Limit Tier 5
100
Usage Policy Restriction

Other Features

Designed for Startups and Enterprises
StartupsEnterprises
Trusted by 10,000+ Businesses
10000

Pricing Features

Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Free Test Drive
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