OpenAI Realtime API vs WebsiteVoice

Comparing the features of OpenAI Realtime API to WebsiteVoice

Feature
OpenAI Realtime API
WebsiteVoice

Capability Features

Accessibility Support
Additional Voices
Audio Analytics
Automatic Content Detection
Control Panel Management
Custom Text Intro/Outro
Customizable Widget
Enterprise Privacy Commitment
Expanded Model Support Planned
Faster Audio Conversion
Five New Voices
5
Function Calling
Help Visual Impairment Non-Profit
Human and Automated Safety Monitoring
Interruption Handling
MP3 Download
No Audio or Text Ads
No Training on Data Without Permission
Playground Access
Priority Support
Prompt Caching Planned
Public Beta
Quick Installation
Reference Client Available
Removal of Watermark
Six Preset Voices
6
Smart Natural Voice
Social Sharing
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supported Languages
EnglishChineseDanishSpanishDutchFrenchGermanItalianJapaneseKoreanNorwegianPolishPortugueseRomanianRussian
Supports Multiple Languages
38
Supports Multiple Voice Types
MaleFemale
Supports Text and Audio Inputs
TextAudio
Ticket Support
Ultra Low Latency
Voice Speed Adjustment
WebSocket Connection

Integration Features

Agora Integration
API or Plugin Support
Chat Completions API Integration
Integration Method
JavaScript snippet
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)
Limited Audio Plays on Lower Tiers
Starter: 1/day, Premium: 5/day, Professional: 10/day
Lower Session Limits Tiers 1-4
Lower than 100
No Explicit Mention of Offline Use
No Mention of CMS Integrations
No Mention of File Format Support Beyond MP3
No Simultaneous Session Limit Anymore
Play Counting Rule
Only new text played is counted as a play. Long pages/articles might be counted as two plays.
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
Audio Play Definition
1 audio play = 1000 words
Free Tier
Free Trial
14 days
Monthly Billing
No Credit Card Required
No Free Tier
Premium Plan Audio Plays Per Day
5
Premium Plan Price
$29/month
Premium Plan Yearly Price
$309/year
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
Professional Plan Audio Plays Per Day
10
Professional Plan Price
$49/month
Professional Plan Yearly Price
$529/year
Starter Plan Audio Plays Per Day
1
Starter Plan Monthly Price
$9/month
Yearly Billing Option