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Chapter 82: OpenAI Realtime API

Use OpenAI’s native speech-to-speech API directly. This chapter builds a openai-realtime skill for WebRTC connections, function calling, barge-in, and low-latency handling.

Goals​

  • Connect to the OpenAI Realtime API via WebRTC
  • Handle speech-to-speech with function calling and interruption
  • Manage latency budgets and cost expectations
  • Capture reusable snippets/configs in a realtime skill

Lesson Progression​

  • Build the realtime skill
  • WebRTC connection patterns and function calling
  • Interruption/barge-in handling
  • Capstone: realtime voice demo; finalize the skill

Outcome & Method​

You finish with a working realtime integration and a reusable skill for OpenAI’s voice API.

Prerequisites​

  • Chapters 79-81 foundations