Cheaper, faster, accurate answers with memory summarization & dynamic routing!
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 25 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). Along the way it connects Model Selector, Google Gemini Chat Model, Postgres and Telegram and 1 more.
How it runs
Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).
- Create Chat Memory Table (Postgres): run a query
- Input Message Router (Switch): routes items into 2 branches
- Typing… (Telegram): send chat action
- get_message (text) (Edit Fields (Set)): sets 2 fields: message, chat_id
- Download Voice Message (Telegram): work with file
- get_error_message (Edit Fields (Set)): sets 2 fields: message, chat_id
- Normalize input (Edit Fields (Set)): sets 2 fields: message, chat_id
- Fix mime (Code): runs custom JavaScript code
- Get Chat Memory (Postgres): select
- Analyze voice message (Google Gemini): analyze (audio)
…plus 7 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (14)
- Model Selector
@n8n/n8n-nodes-langchain.modelSelector - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Postgres
n8n-nodes-base.postgres - Code
n8n-nodes-base.code - Telegram
n8n-nodes-base.telegram - Edit Fields (Set)
n8n-nodes-base.set - Google Gemini
@n8n/n8n-nodes-langchain.googleGemini - Switch
n8n-nodes-base.switch - Telegram Trigger
n8n-nodes-base.telegramTrigger - Aggregate
n8n-nodes-base.aggregate - AI Agent
@n8n/n8n-nodes-langchain.agent - Manual Trigger
n8n-nodes-base.manualTrigger - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm
From the author
🤖💬 Smart Telegram AI Assistant with Memory Summarization & Dynamic Model Selection > Optimize your AI workflows, cut costs, and get faster, more accurate answers. --- 📋 Description Tired of expensive AI calls, slow responses, or bots that forget your…