Activefrontiermultimodal Proprietary

GPT-4o-realtime-preview

by OpenAI· Released October 2024· Cutoff October 2023

GPT-4o-realtime-preview is a multimodal model from OpenAI designed for low-latency, real-time interactions, supporting text, audio, and vision inputs. It is optimized for voice conversations and live applications, offering near-instantaneous responses. This model is part of the GPT-4o family, combining advanced reasoning with real-time capabilities.

Official Site API Docs

Input cost

$5.00 per 1M tokens

Output cost

$20.00 per 1M tokens

Context window

128K tokens

Max output

4096 tokens

Modalities

textaudioimage

License

proprietary

Capabilities

Real-time audio processingFunction CallingVisionCode GenerationStreamingJSON ModeMultilingual supportLow-latency responses

Best For

Real-time voice and multimodal applications requiring low latency, such as live assistants, customer support, and interactive agents.

Strengths

Ultra-low latency for real-time interactions
Native support for audio and vision inputs
Strong reasoning and conversational abilities
Seamless integration with OpenAI's real-time API

Limitations

Preview version may have limited stability
Higher cost per token compared to standard GPT-4o
Not suitable for batch processing or high-throughput tasks
Limited context window for very long conversations

Use Cases

Real-time voice assistants

Live customer support chatbots

Interactive language learning tools

Real-time transcription and translation

Voice-controlled applications

Live meeting assistants

Real-time accessibility tools for visually impaired

Improvements Over Previous Model

Introduces real-time audio and vision capabilities not present in standard GPT-4o
Significantly lower latency for interactive use cases
Optimized for streaming and live applications
Supports WebRTC for direct audio streaming
Enables voice conversations with natural turn-taking

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