Presto Voice vs OpenAI Realtime API

Comparing the features of Presto Voice to OpenAI Realtime API

Feature
Presto Voice
OpenAI Realtime API

Capability Features

Available 24/7
Drive-Thru Voice Automation
Easy Installation
Easy Scalable Installation
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Integration Specialist Support
Interruption Handling
Monthly Incremental Revenue Increase
6
No Training on Data Without Permission
Non-Intervention Rate
95
Order Accuracy Improvement
Order Upselling Automation
Playground Access
Prompt Caching Planned
Proven ROI
Public Beta
Realistic AI Voices
Reference Client Available
Six Preset Voices
6
Spectrum of Voice AI
Speech-to-Speech
Staff Efficiency Optimization
Streaming Audio Inputs/Outputs
Superior Guest Experience
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
Upsell Offer Rate
88
WebSocket Connection

Integration Features

Agora Integration
Chat Completions API Integration
Headset Integration
LiveKit Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Partnership with ElevenLabs
POS Integration
QSR Brand Compatibility
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 Mention of Free Tier
No Published Pricing
No Self-Service Signup
No Simultaneous Session Limit Anymore
Not Consumer-Facing
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
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