AI Voice Chat using Webhook, Memory Manager, OpenAI, Google Gemini & ElevenLabs

n8n template #2405

Summary

Who is this for? This workflow is designed for businesses or developers looking to integrate voice-based chat applications with dynamic responses and conversational memory. What problem does this solve? It automates AI-powered voice conversations, maintaining context between sessions and converting speech-to-text and text-to-speech. What this workflow does: The workflow receives audio input, transcribes it using OpenAI, and processes the conversation using Google Gemini Chat Model (you can use OpenAI Chat Model). Responses are converted back to speech using ElevenLabs. Prerequisites: You'll need API keys for: OpenAI (you can obtain it from OpenAI website) ElevenLabs (you can obtain it from t

How to set it up

Open template #2405 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 2 credentials under Credentials → Add credential: OpenAI, Google Gemini Chat Model. Then open each of those nodes and pick the credential.
Check the model in the OpenAI node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "AI Voice Chat using Webhook, Memory Manager, OpenAI, Google Gemini & ElevenLabs" (https://n8n.io/workflows/2405). It uses: HTTP Request, Basic LLM Chain, Simple Memory, Chat Memory Manager, OpenAI, Google Gemini Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

HTTP Request Basic LLM Chain Simple Memory Chat Memory Manager OpenAI Google Gemini Chat Model

Questions

Yes. Ayoub published it free on n8n.io, and it has 34K views. It runs on n8n Cloud or a self-hosted n8n instance.

OpenAI, Google Gemini Chat Model. The other 4 nodes are built into n8n.

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