Voice In vs OpenAI Realtime API

Comparing the features of Voice In to OpenAI Realtime API

Feature
Voice In
OpenAI Realtime API

Capability Features

Advanced Mode Sites Limit
1000+ sites
Automatic Formatting
Change Text Case
Custom Voice Commands
Dictation Across Tabs
Dictation Box
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
GDPR Compliance
Human and Automated Safety Monitoring
Interruption Handling
Language Switching Shortcuts
Minimal Permissions
No Extra Hardware Needed
No Training on Data Without Permission
Page Pop-up Placement
Playground Access
Popular Languages
EnglishJapaneseGermanPortugueseSpanishHebrewFrenchHindiArabicPolish
Premium Support
Privacy Protection
Prompt Caching Planned
Public Beta
Reference Client Available
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supported Language List
100+ languages
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
Voice Commands
WebSocket Connection
Works on Editable Textboxes

Integration Features

Agora Integration
Chat Completions API Integration
LiveKit Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Popular Site Integrations
GmailOutlookGoogle DocsFacebookLinkedInRedditSlackChatGPTWhatsAppSalesforce
Supported Platforms
WindowsMacLinuxChromebook
Supports GPT-4o
gpt-4o-realtime-preview
Twilio Voice API Integration
Website Compatibility
Over 10,000 websites
Works On Chrome

Limitation Features

AI Disclosure Requirement
Audio Only Modality (Initially)
Lower Session Limits Tiers 1-4
Lower than 100
No Desktop App
No Free Trial
No Offline Mode
No Simultaneous Session Limit Anymore
Simultaneous Sessions Limit Tier 5
100
Usage Policy Restriction
Web App Only

Pricing Features

Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Free Tier
No Free Tier
Paid Plans
Plus Plan Price
$60 per 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