Activefastmultimodal Proprietary

GPT-4o-mini-realtime-preview

by OpenAI· Released October 2024· Cutoff October 2023

GPT-4o-mini-realtime-preview is a cost-efficient, low-latency multimodal model optimized for real-time voice and text interactions. It supports audio streaming and function calling, making it ideal for conversational AI applications. As a smaller variant of GPT-4o, it balances performance and affordability for production use.

Official Site API Docs

Input cost

$0.60 per 1M tokens

Output cost

$2.40 per 1M tokens

Context window

128K tokens

Max output

4096 tokens

Modalities

textaudio

License

proprietary

Capabilities

Real-time audio streamingFunction CallingText generationAudio inputLow-latency responsesMultimodal understanding

Best For

Real-time voice and text conversational AI applications requiring low latency and cost efficiency.

Strengths

Lowest latency among OpenAI real-time models
Cost-effective pricing
Supports real-time audio streaming
128K context window
Function calling support

Limitations

No vision/image input support
Smaller model may have lower accuracy on complex tasks
Limited to text and audio modalities
Preview version may have stability issues

Use Cases

Voice assistants

Customer support chatbots

Real-time transcription and response

Interactive voice response (IVR) systems

Language learning apps

Accessibility tools for speech-to-speech

Real-time translation services

Improvements Over Previous Model

First real-time optimized model in GPT-4o-mini family
Supports audio streaming unlike standard GPT-4o-mini
Lower latency compared to GPT-4o-realtime-preview
Lower pricing than GPT-4o-realtime-preview

Back to all models