Building Conversational AI with OpenAI's Realtime API and Function Calling

product#agent🏛️ Official|Analyzed: Jan 15, 2026 07:00
Published: Jan 14, 2026 15:57
1 min read
Zenn OpenAI

Analysis

This article outlines a practical implementation of OpenAI's Realtime API for integrating voice input and function calling. The focus on a minimal setup leveraging FastAPI suggests an approachable entry point for developers interested in building conversational AI agents that interact with external tools.

Key Takeaways

Reference / Citation
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"This article summarizes the steps to create a minimal AI that not only converses through voice but also utilizes tools to perform tasks."
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Zenn OpenAIJan 14, 2026 15:57
* Cited for critical analysis under Article 32.