Deepgram Enterprise Voice AI vs OpenAI Realtime API

Comparing the features of Deepgram Enterprise Voice AI to OpenAI Realtime API

Feature
Deepgram Enterprise Voice AI
OpenAI Realtime API

Capability Features

Audio Intelligence API
Batch Processing
Cloud Deployment
Context Maintenance
Custom Business Logic
Custom Models
Download Transcript
English Language Support
Enterprise Privacy Commitment
Expanded Model Support Planned
File Upload Support
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Interruption Handling
LLM Orchestration
No Training on Data Without Permission
Playground Access
Prompt Caching Planned
Prompt Updates
Public Beta
Real-time Transcription
Reference Client Available
Response Injection
Self-hosted Deployment
Six Preset Voices
6
Speak Input
Speech to Text
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
System Updates for AI
Text to Speech
Transcripts Copy
Ultra Low Latency
Voice Agent
WebSocket Connection

Integration Features

Agora Integration
API Integrations
Chat Completions API Integration
External System Integration
LiveKit Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Partner Integrations
Telephony partners (via PSTN/SIP)
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 Explicit Quota Limits
No File Format Support Listed
No Plugin Marketplace
No Pricing Details Listed
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
Free Tier
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