OpenAI Realtime API vs Voicera

Comparing the features of OpenAI Realtime API to Voicera

Feature
OpenAI Realtime API
Voicera

Capability Features

Accessibility Support
Article Listening
Automatic Content Recognition
Basic Support
Dedicated Account Manager
Early Access to New Features
Embeddable Voice
Enterprise Language Coverage
200
Enterprise Privacy Commitment
Expanded Model Support Planned
Extremely Lightweight Embed
~2.2KB
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Interruption Handling
Multilingual Support
10+ languages and voice versions available.200+ languages and dialects for Enterprise
No Training on Data Without Permission
Playground Access
Priority Support
Prompt Caching Planned
Public Beta
Reference Client Available
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supported Article Types
BlogsArticles
Supported Voice Versions
10
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
WebSocket Connection

Integration Features

Agora Integration
Browser Compatibility
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)
Chrome Extension Comparison
Lower Session Limits Tiers 1-4
Lower than 100
Maximum Supported Articles
5
Maximum Supported Articles Enterprise
>1000
Maximum Supported Articles Pro
50
Monthly Subscription
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
Enterprise Plan Article Limit
>1000
Enterprise Plan Credits
Millions
Free Plan Article Limit
5
Free Plan Validity
Lifetime
Has Free Tier
No Free Tier
Pay-As-You-Go Price
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
Pro Plan Article Limit
50
Pro Plan Credits
100000
Pro Plan Price
$9
Starter Plan Credits
5000