SoundFX AI vs OpenAI Realtime API

Comparing the features of SoundFX AI to OpenAI Realtime API

Feature
SoundFX AI
OpenAI Realtime API

Capability Features

Access to Generated History (Starter & Premium)
AI Sound Effects Generation
Custom Sound Effects
Download and Use Anywhere
Enterprise Privacy Commitment
Expanded Model Support Planned
Five New Voices
5
Function Calling
High Quality Image Input
Human and Automated Safety Monitoring
Instant Generation
Interruption Handling
No Training on Data Without Permission
Playground Access
Preview Before Download
Prompt Caching Planned
Public Beta
Reference Client Available
Royalty Free Music Library
Six Preset Voices
6
Speech-to-Speech
Streaming Audio Inputs/Outputs
Supported Input Types
Text DescriptionImage Upload
Supports Text and Audio Inputs
TextAudio
Ultra Low Latency
WebSocket Connection

Integration Features

Agora Integration
API or Plugin Integration
Chat Completions API Integration
LiveKit Integration
OpenAI Node.js SDK Planned
OpenAI Python SDK Planned
Supported Output Format
Not specified
Supports GPT-4o
gpt-4o-realtime-preview
Twilio Voice API Integration

Limitation Features

Access to Generated History (Free)
AI Disclosure Requirement
Audio Only Modality (Initially)
Free Tier Usage Limit
5
Lower Session Limits Tiers 1-4
Lower than 100
No Simultaneous Session Limit Anymore
Premium Plan Output Limit
20
Simultaneous Sessions Limit Tier 5
100
Sound Effect Customization After Generation
Not specified
Starter Plan Output Limit
10
Usage Policy Restriction

Pricing Features

Approximate Audio Input Price
$0.06/minute
Approximate Audio Output Price
$0.24/minute
Basic Plan Credits
100
Free Tier
3
No Free Tier
Premium Plan Credits
500
Premium Plan Price
£15 per month
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
Starter Plan Price
£7 per month
Trial Period