Chirp AI vs OpenAI Realtime API

Comparing the features of Chirp AI to OpenAI Realtime API

Feature
Chirp AI
OpenAI Realtime API

Capability Features

ChatGPT Voice Mode Similarity
Distraction-Free Interface
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Interruption Handling
Message Drafting
Natural-Sounding Voices
5
No Phone Required
No Training on Data Without Permission
Open Maps or Browser
Playground Access
Professional Email Drafting
Prompt Caching Planned
Public Beta
Real-Time Answers
Reference Client Available
Six Preset Voices
6
Smart Web Search
Sources Provided for Answers
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
Voice-to-Text
WebSocket Connection

Integration Features

Agora Integration
Apple Watch Support
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)
Lower Session Limits Tiers 1-4
Lower than 100
No Mention of Android Support
No Simultaneous Session Limit Anymore
Platform Limitation
Apple Watch only
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 Download
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