Track Food Calories via Telegram with Gpt-4 Vision and Google Sheets

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 →

{
  "name": "Telegram Food Calorie Tracker",
  "nodes": [
    {
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        200,
        300
      ],
      "parameters": {
        "updates": [
          "message"
        ]
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Sticky Note: Acknowledge",
      "type": "n8n-nodes-base.telegram",
      "position": [
        400,
        300
      ],
      "parameters": {
        "text": "\ud83e\udde0 Thanks! I\u2019m analyzing your food image now...",
        "chatId": "={{$json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Download Telegram Image",
      "type": "n8n-nodes-base.telegram",
      "position": [
        600,
        300
      ],
      "parameters": {
        "fileId": "={{$json[\"message\"][\"photo\"][ $json[\"message\"][\"photo\"].length - 1 ][\"file_id\"]}}",
        "resource": "file",
        "operation": "download"
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Prepare Binary Image",
      "type": "n8n-nodes-base.function",
      "position": [
        800,
        300
      ],
      "parameters": {
        "functionCode": "return [{ binary: { image: items[0].binary.data } }];"
      },
      "typeVersion": 1
    },
    {
      "name": "GPT-4 Vision Analyze",
      "type": "n8n-nodes-base.openai",
      "position": [
        1000,
        300
      ],
      "parameters": {
        "model": "gpt-4-vision-preview",
        "messages": [
          {
            "role": "user",
            "content": [
              {
                "text": "Describe this food and estimate its calories.",
                "type": "text"
              },
              {
                "type": "image_url",
                "image_url": "={{$binary.image.data}}"
              }
            ]
          }
        ]
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Log to Google Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1200,
        300
      ],
      "parameters": {
        "range": "Sheet1!A:C",
        "values": "={{ [[new Date().toISOString(), $json[\"text\"]]] }}",
        "options": {},
        "sheetId": "{{GOOGLE_SHEET_ID}}",
        "authentication": "oAuth2"
      },
      "credentials": {
        "googleApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 2
    },
    {
      "name": "Send GPT Result",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1400,
        300
      ],
      "parameters": {
        "text": "={{$json[\"text\"]}}",
        "chatId": "={{$json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "connections": {
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Sticky Note: Acknowledge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "GPT-4 Vision Analyze": {
      "main": [
        [
          {
            "node": "Log to Google Sheet",
            "type": "main",
            "index": 0
          },
          {
            "node": "Send GPT Result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare Binary Image": {
      "main": [
        [
          {
            "node": "GPT-4 Vision Analyze",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Download Telegram Image": {
      "main": [
        [
          {
            "node": "Prepare Binary Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Sticky Note: Acknowledge": {
      "main": [
        [
          {
            "node": "Download Telegram Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• googleApi
• openAiApi
• telegramApi

About this workflow

This workflow enables users to submit food images to a Telegram bot, which uses OpenAI’s GPT-4 Vision to identify the item and estimate its caloric value. The results are stored in Google Sheets and sent back to the user. Triggers on a photo sent via Telegram. Acknowledges the…

Source: https://n8n.io/workflows/7006/ — original creator credit. Request a take-down →

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