NatterGPT vs OpenAI Realtime API

Comparing the features of NatterGPT to OpenAI Realtime API

Feature
NatterGPT
OpenAI Realtime API

Capability Features

Call Recordings
Call Summary and Lead Report
Community Support
Contact List Import
Custom AI Voice Design
Custom Phone Numbers
Data Security
Email Support (Business)
1 business day turnaround
Email Support (Pro)
3 business day turnaround
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Free Job Prompt Templates
Function Calling
Human and Automated Safety Monitoring
Inbound and Outbound Calls
Industry Use Cases
Crisis managementCustomer serviceReal estate lead calling
Interruption Handling
IVR Navigation
Job Prompt Templates
Language Support
Unspecified
No Training on Data Without Permission
Phone Support for Emergencies
Playground Access
Preset Call Scripts
Prompt Caching Planned
Public Beta
Reference Client Available
Sales/Customer Support Calls
Scale to 1000+ Calls/Hour
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supported Actions
Outbound callsInbound callsCall recordingIVR navigationCall transferReporting
Supports Text and Audio Inputs
TextAudio
Transfer to Human
Ultra Low Latency
WebSocket Connection

Integration Features

Agora Integration
Chat Completions API Integration
Integration Details Unspecified
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)
Lower Session Limits Tiers 1-4
Lower than 100
No Free Tier
No Simultaneous Session Limit Anymore
Simultaneous Sessions Limit Tier 5
100
Trial Call Limit
5
Usage Policy Restriction

Pricing Features

$3 Trial
$3 for 2 days
Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Business Plan Call Minutes
6000
Business Plan Minute Overage
$0.35/min
Business Plan Price (Monthly)
$2,000/month
Enterprise Plan
Hobby Plan Call Minutes
120
Hobby Plan Minute Overage
$0.6/min
Hobby Plan Price
$49/month
No Free Trial
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 Call Minutes
600
Pro Plan Minute Overage
$0.5/min
Pro Plan Price (Monthly)
$200/month