AutomationFlowsAI & RAG › Create a Privacy-focused AI Assistant with Telegram, Ollama, and Whisper

Create a Privacy-focused AI Assistant with Telegram, Ollama, and Whisper

ByAlberto @albertob12 on n8n.io

Title: Create a Privacy-Focused AI Assistant with Telegram, Ollama, and Whisper

Event trigger★★★★☆ complexityAI-powered17 nodesTelegram TriggerTelegramHTTP RequestAgentOllama ChatMemory Buffer Window
AI & RAG Trigger: Event Nodes: 17 Complexity: ★★★★☆ AI nodes: yes Added:
Create a Privacy-focused AI Assistant with Telegram, Ollama, and Whisper — n8n workflow card showing Telegram Trigger, Telegram, HTTP Request integration

This workflow corresponds to n8n.io template #6012 — we link there as the canonical source.

This workflow follows the Agent → HTTP Request recipe pattern — see all workflows that pair these two integrations.

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

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{
  "id": "Rkx3j2cBXiT3NLtq",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Create a Privacy-Focused AI Assistant with Telegram, Ollama, and Whisper",
  "tags": [],
  "nodes": [
    {
      "id": "60ac6d31-82e4-4895-95fd-8c62a635b81b",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        0,
        -20
      ],
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {
          "download": true
        }
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "9a8e1386-d472-4c2c-9f44-f0d8df6d02e0",
      "name": "Get Voice File",
      "type": "n8n-nodes-base.telegram",
      "position": [
        660,
        -45
      ],
      "parameters": {
        "fileId": "={{ $json.message.voice.file_id }}",
        "resource": "file"
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "f258d1ef-fcab-420a-a7a9-61b7f80cec5d",
      "name": "Message Type Switch",
      "type": "n8n-nodes-base.switch",
      "position": [
        440,
        -120
      ],
      "parameters": {
        "rules": {
          "values": [
            {
              "outputKey": "text",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "a2d6691c-beed-44d8-a67f-be43b28155df",
                    "operator": {
                      "type": "string",
                      "operation": "exists",
                      "singleValue": true
                    },
                    "leftValue": "={{ $json.message.text }}",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            },
            {
              "outputKey": "voice",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "6ce5f222-d555-470b-862d-e132b9a5fb72",
                    "operator": {
                      "type": "string",
                      "operation": "exists",
                      "singleValue": true
                    },
                    "leftValue": "={{ $json.message.voice.file_id }}",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            }
          ]
        },
        "options": {}
      },
      "typeVersion": 3.2
    },
    {
      "id": "2507b938-0a44-44f6-838a-6ccc33e27d24",
      "name": "Authorization Check If",
      "type": "n8n-nodes-base.if",
      "position": [
        220,
        -20
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "d2e36e10-3ffc-47ab-bf1a-3c9639b0106a",
              "operator": {
                "type": "number",
                "operation": "equals"
              },
              "leftValue": "={{ $json.message.from.id }}",
              "rightValue": null
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "4355f058-2648-408f-ac1b-1b350b6aed10",
      "name": "Send a text message",
      "type": "n8n-nodes-base.telegram",
      "position": [
        440,
        80
      ],
      "parameters": {
        "text": "I am sorry, you have no access to my services.",
        "chatId": "={{ json.message.from.id }}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "6035caa1-9b21-4401-a92f-5499b536b95d",
      "name": "Whisper ASR HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        880,
        -45
      ],
      "parameters": {
        "url": "http://localhost:9000/asr",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "multipart-form-data",
        "bodyParameters": {
          "parameters": [
            {
              "name": "audio_file",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "data"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "6bce3f08-cebf-4b45-9b5c-0cf098afbd96",
      "name": "Send a text message1",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1696,
        -120
      ],
      "parameters": {
        "text": "={{ $json.output }}",
        "chatId": "",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "8dce296d-4991-42a0-a87f-bb00a1f6e2d1",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        1320,
        -120
      ],
      "parameters": {
        "text": "=You are my personal chatbot assistant.\nMy input: '{{ $json.message.text }}'.\nYour Answer: ",
        "options": {},
        "promptType": "define"
      },
      "typeVersion": 2
    },
    {
      "id": "f476f17a-2be8-4573-a862-ae32162d3060",
      "name": "Ollama Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "position": [
        1348,
        100
      ],
      "parameters": {
        "model": "llama3.2:1b",
        "options": {}
      },
      "credentials": {
        "ollamaApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "80e6b57c-bd5b-40f3-b6e8-f8014d68e04d",
      "name": "Simple Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        1468,
        100
      ],
      "parameters": {
        "sessionKey": "={{ $json.message.text }}",
        "sessionIdType": "customKey",
        "contextWindowLength": 2
      },
      "typeVersion": 1.3
    },
    {
      "id": "bafa884d-00e4-4882-8a45-551ebaafeb57",
      "name": "Rename Transcription Key",
      "type": "n8n-nodes-base.renameKeys",
      "position": [
        1100,
        -45
      ],
      "parameters": {
        "keys": {
          "key": [
            {
              "newKey": "message.text",
              "currentKey": "data"
            }
          ]
        },
        "additionalOptions": {}
      },
      "typeVersion": 1
    },
    {
      "id": "f2f41dd0-b1f7-4abc-8db4-6539dd1a2288",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -60,
        -200
      ],
      "parameters": {
        "content": "## Telegram Trigger\nStart when Telegram message is received"
      },
      "typeVersion": 1
    },
    {
      "id": "a02a2a95-6141-4e30-87eb-547c7a8228a3",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        260,
        -300
      ],
      "parameters": {
        "content": "## IF\nDetect is message is sent by authorised user"
      },
      "typeVersion": 1
    },
    {
      "id": "269b02bc-fb27-42a9-9d82-3708f359b812",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        600,
        -260
      ],
      "parameters": {
        "content": "## Switch\nDetect if message is a text or audio message"
      },
      "typeVersion": 1
    },
    {
      "id": "a2fcd43b-828b-472e-9a88-2c0f7b66b927",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        840,
        140
      ],
      "parameters": {
        "content": "## Transcription\nTranscribe audio locally with Whisper API"
      },
      "typeVersion": 1
    },
    {
      "id": "6da6c91c-9be4-4385-b93b-df5f12b4c305",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1320,
        -300
      ],
      "parameters": {
        "content": "## AI Agent \nFormulate answer from AI Agent"
      },
      "typeVersion": 1
    },
    {
      "id": "d9cb4fbc-cb85-4381-aa41-b6e548760e07",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1620,
        -300
      ],
      "parameters": {
        "content": "## Telegram\nSend response to the user"
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "settings": {
    "callerPolicy": "workflowsFromSameOwner",
    "executionOrder": "v1"
  },
  "versionId": "160c1b3b-9a50-44c7-93e3-dd29d0d547c8",
  "connections": {
    "AI Agent": {
      "main": [
        [
          {
            "node": "Send a text message1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Get Voice File": {
      "main": [
        [
          {
            "node": "Whisper ASR HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Authorization Check If",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Ollama Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Message Type Switch": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Get Voice File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Authorization Check If": {
      "main": [
        [
          {
            "node": "Message Type Switch",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send a text message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Rename Transcription Key": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Whisper ASR HTTP Request": {
      "main": [
        [
          {
            "node": "Rename Transcription Key",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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About this workflow

Title: Create a Privacy-Focused AI Assistant with Telegram, Ollama, and Whisper

Source: https://n8n.io/workflows/6012/ — original creator credit. Request a take-down →

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