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)

#LazyTechGeek #HomeAssistant #SmartHome #HomeAssistantVoice #HomeAutomation

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

🔗 Links & Resources:

GitHub (prompts from this video):
https://github.com/LazyTechGeek/HomeAssistant-Voice

Official Home Assistant Voice PE Documentation:
https://www.home-assistant.io/voice-pe/

OpenAI Platform:
https://platform.openai.com/

OpenAI Pricing
https://platform.openai.com/docs/pricing

OpenAI tokenizer
https://platform.openai.com/tokenizer

OpenAI Conversation (Integration):
https://www.home-assistant.io/integrations/openai_conversation/

OpenAI - Create_open_ai_personality
https://www.home-assistant.io/voice_control/assist_create_open_ai_personality/

🎵 MUSIC USED IN THIS VIDEO
Intro Track: Powerful Action Rock Trailer
🎤 Artist: RocknStock
🎧 Source: Pixabay
🔗 https://pixabay.com/users/rocknstock-28545072/

💬 Got questions or stuck on a step?
Leave a comment below or join the Lazy Tech Geek Discord for help!
🔗 https://discord.gg/jEaremqDJd

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