Home Assistant Voice + OpenAI Conversation Step-By-Step Guide (Part 2)
Published at : 23 Dec 2025
Home Assistant Voice + OpenAI Conversation Step-By-Step Guide (Part 2)
This is Part 2 of my Home Assistant Voice series. If you missed Part 1, start here 👉 Watch Part 1: https://youtu.be/nS5a4xbTdxA
In this video, I’ll show you how to:
- Install & configure the OpenAI Conversation integration in Home Assistant Voice - Create an API key in your OpenAI account - Add it into Home Assistant and set up your first Conversation Agent - Give your assistant a personality with custom prompts - Fix common issues (like replies getting cut off by token limits)
Timestamps 00:00 – Intro 02:13 – Sign in to OpenAI platform 02:46 – Creating a project 03:14 – Adding credit 07:51 – Creating an API Key 08:55 – Installing OpenAI Conversation Integration 10:41 – Creating an OpenAI Conversation Agent 16:22 – Choosing Conversation Agent in Voice Assistant 17:47 – Configuring Home Assistant Voice device to use that Assistant 18:49 – Live demo of it working 20:29 – Outro