OpenAI Realtime API vs Spika

Comparing the features of OpenAI Realtime API to Spika

Feature
OpenAI Realtime API
Spika

Capability Features

Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
Global Distribution
Human and Automated Safety Monitoring
Interruption Handling
Language Translation
Multilingual Podcast Generation
No Training on Data Without Permission
Playground Access
Podcast Creation via Prompts
Podcast Suggestions
The Podcast of Magical ThinkingThe People's RecorderPardon My TakeThe Joe Rogan ExperienceThis American LifeData Skeptic: Tracing the Roots of Data Science
Prompt Caching Planned
Public Beta
Reference Client Available
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
Voice Retention on Translation
WebSocket Connection

Integration Features

Agora Integration
Chat Completions API Integration
Discord Community
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 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 Trial
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