Instant Singer vs OpenAI Realtime API

Comparing the features of Instant Singer to OpenAI Realtime API

Feature
Instant Singer
OpenAI Realtime API

Capability Features

Affiliate Program
Browser Based
Convert Any Song
Discord Support
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Human and Automated Safety Monitoring
Interruption Handling
No Training on Data Without Permission
Playground Access
Prompt Caching Planned
Public Beta
Recording Song for Clone
Twinkle, Twinkle, Little Star
Reference Client Available
Sample Selection
Guy 1👨👩
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
Voice Cloning
Voice Swap
WebSocket Connection
YouTube Link Conversion

Integration Features

Agora Integration
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
Max Free Clones
1
Max Free Samples
4
No API Mentioned
No Credit Card Required
No Mention of Download Formats
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
Credit-Based Pricing
Free Converted Samples
4
Free Tier
Free Voice Clone Limit
1
Lite Pack Minimum Credits
2
Lite Pack Price Per Credit
$1.99/credit
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
Pro Pack Minimum Credits
8
Pro Pack Price Per Credit
$1.49/credit